Home / 724,330.32-999,561.60-402,044.28

Finding the Fourth Proportional to 724,330.32, 999,561.60 and 402,044.28

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Solution

The fourth proportional to 724,330.32, 999,561.60 and 402,044.28 is: 554,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,330.32 : 999,561.60 = 402,044.28 : x
  2. Step 2: Convert to fraction form
    724,330.32/999,561.60 = 402,044.28/x
  3. Step 3: Cross multiply
    724,330.32x = 999,561.60 × 402,044.28
  4. Step 4: Simplify right side
    724,330.32x = 401,868,023,787.65
  5. Step 5: Solve for x
    x = 401,868,023,787.65/724,330.32
  6. Step 6: Final answer
    x = 554,813.20

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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.