Home / 724,259.38-999,566.44-418,335.42

Finding the Fourth Proportional to 724,259.38, 999,566.44 and 418,335.42

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Solution

The fourth proportional to 724,259.38, 999,566.44 and 418,335.42 is: 577,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,259.38 : 999,566.44 = 418,335.42 : x
  2. Step 2: Convert to fraction form
    724,259.38/999,566.44 = 418,335.42/x
  3. Step 3: Cross multiply
    724,259.38x = 999,566.44 × 418,335.42
  4. Step 4: Simplify right side
    724,259.38x = 418,154,046,495.31
  5. Step 5: Solve for x
    x = 418,154,046,495.31/724,259.38
  6. Step 6: Final answer
    x = 577,354.00

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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.