Home / 1,017,720.40-1,526,580.60-308,246.80

Finding the Fourth Proportional to 1,017,720.40, 1,526,580.60 and 308,246.80

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Solution

The fourth proportional to 1,017,720.40, 1,526,580.60 and 308,246.80 is: 462,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,720.40 : 1,526,580.60 = 308,246.80 : x
  2. Step 2: Convert to fraction form
    1,017,720.40/1,526,580.60 = 308,246.80/x
  3. Step 3: Cross multiply
    1,017,720.40x = 1,526,580.60 × 308,246.80
  4. Step 4: Simplify right side
    1,017,720.40x = 470,563,584,892.08
  5. Step 5: Solve for x
    x = 470,563,584,892.08/1,017,720.40
  6. Step 6: Final answer
    x = 462,370.20

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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.