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Finding the Fourth Proportional to 724,292.58, 999,574.11 and 418,472.22

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Solution

The fourth proportional to 724,292.58, 999,574.11 and 418,472.22 is: 577,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,292.58 : 999,574.11 = 418,472.22 : x
  2. Step 2: Convert to fraction form
    724,292.58/999,574.11 = 418,472.22/x
  3. Step 3: Cross multiply
    724,292.58x = 999,574.11 × 418,472.22
  4. Step 4: Simplify right side
    724,292.58x = 418,293,996,866.22
  5. Step 5: Solve for x
    x = 418,293,996,866.22/724,292.58
  6. Step 6: Final answer
    x = 577,520.75

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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.