Home / 1,017,644.70-1,526,688.45-307,654.20

Finding the Fourth Proportional to 1,017,644.70, 1,526,688.45 and 307,654.20

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Solution

The fourth proportional to 1,017,644.70, 1,526,688.45 and 307,654.20 is: 461,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,644.70 : 1,526,688.45 = 307,654.20 : x
  2. Step 2: Convert to fraction form
    1,017,644.70/1,526,688.45 = 307,654.20/x
  3. Step 3: Cross multiply
    1,017,644.70x = 1,526,688.45 × 307,654.20
  4. Step 4: Simplify right side
    1,017,644.70x = 469,692,113,733.99
  5. Step 5: Solve for x
    x = 469,692,113,733.99/1,017,644.70
  6. Step 6: Final answer
    x = 461,548.23

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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.