Home / 724,280.04-999,630.15-418,301.43

Finding the Fourth Proportional to 724,280.04, 999,630.15 and 418,301.43

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Solution

The fourth proportional to 724,280.04, 999,630.15 and 418,301.43 is: 577,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,280.04 : 999,630.15 = 418,301.43 : x
  2. Step 2: Convert to fraction form
    724,280.04/999,630.15 = 418,301.43/x
  3. Step 3: Cross multiply
    724,280.04x = 999,630.15 × 418,301.43
  4. Step 4: Simplify right side
    724,280.04x = 418,146,721,216.12
  5. Step 5: Solve for x
    x = 418,146,721,216.12/724,280.04
  6. Step 6: Final answer
    x = 577,327.41

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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.