Home / 1,017,561.40-1,526,342.10-307,515.40

Finding the Fourth Proportional to 1,017,561.40, 1,526,342.10 and 307,515.40

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Solution

The fourth proportional to 1,017,561.40, 1,526,342.10 and 307,515.40 is: 461,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,561.40 : 1,526,342.10 = 307,515.40 : x
  2. Step 2: Convert to fraction form
    1,017,561.40/1,526,342.10 = 307,515.40/x
  3. Step 3: Cross multiply
    1,017,561.40x = 1,526,342.10 × 307,515.40
  4. Step 4: Simplify right side
    1,017,561.40x = 469,373,701,418.34
  5. Step 5: Solve for x
    x = 469,373,701,418.34/1,017,561.40
  6. Step 6: Final answer
    x = 461,273.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.