Home / 724,882.10-1,087,323.15-425,506.10

Finding the Fourth Proportional to 724,882.10, 1,087,323.15 and 425,506.10

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Solution

The fourth proportional to 724,882.10, 1,087,323.15 and 425,506.10 is: 638,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,882.10 : 1,087,323.15 = 425,506.10 : x
  2. Step 2: Convert to fraction form
    724,882.10/1,087,323.15 = 425,506.10/x
  3. Step 3: Cross multiply
    724,882.10x = 1,087,323.15 × 425,506.10
  4. Step 4: Simplify right side
    724,882.10x = 462,662,632,996.22
  5. Step 5: Solve for x
    x = 462,662,632,996.22/724,882.10
  6. Step 6: Final answer
    x = 638,259.15

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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.