Home / 724,277.75-999,626.98-418,299.13

Finding the Fourth Proportional to 724,277.75, 999,626.98 and 418,299.13

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Solution

The fourth proportional to 724,277.75, 999,626.98 and 418,299.13 is: 577,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,277.75 : 999,626.98 = 418,299.13 : x
  2. Step 2: Convert to fraction form
    724,277.75/999,626.98 = 418,299.13/x
  3. Step 3: Cross multiply
    724,277.75x = 999,626.98 × 418,299.13
  4. Step 4: Simplify right side
    724,277.75x = 418,143,092,513.71
  5. Step 5: Solve for x
    x = 418,143,092,513.71/724,277.75
  6. Step 6: Final answer
    x = 577,324.23

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.