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Finding the Fourth Proportional to 723,988.32, 999,130.68 and 437,452.98

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Solution

The fourth proportional to 723,988.32, 999,130.68 and 437,452.98 is: 603,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,988.32 : 999,130.68 = 437,452.98 : x
  2. Step 2: Convert to fraction form
    723,988.32/999,130.68 = 437,452.98/x
  3. Step 3: Cross multiply
    723,988.32x = 999,130.68 × 437,452.98
  4. Step 4: Simplify right side
    723,988.32x = 437,072,693,375.43
  5. Step 5: Solve for x
    x = 437,072,693,375.43/723,988.32
  6. Step 6: Final answer
    x = 603,701.30

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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.