Home / 723,932.98-999,054.20-437,397.71

Finding the Fourth Proportional to 723,932.98, 999,054.20 and 437,397.71

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Solution

The fourth proportional to 723,932.98, 999,054.20 and 437,397.71 is: 603,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,932.98 : 999,054.20 = 437,397.71 : x
  2. Step 2: Convert to fraction form
    723,932.98/999,054.20 = 437,397.71/x
  3. Step 3: Cross multiply
    723,932.98x = 999,054.20 × 437,397.71
  4. Step 4: Simplify right side
    723,932.98x = 436,984,015,344.11
  5. Step 5: Solve for x
    x = 436,984,015,344.11/723,932.98
  6. Step 6: Final answer
    x = 603,624.96

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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.