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Finding the Fourth Proportional to 523,607.60, 722,350.32 and 329,897.72

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Solution

The fourth proportional to 523,607.60, 722,350.32 and 329,897.72 is: 455,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,607.60 : 722,350.32 = 329,897.72 : x
  2. Step 2: Convert to fraction form
    523,607.60/722,350.32 = 329,897.72/x
  3. Step 3: Cross multiply
    523,607.60x = 722,350.32 × 329,897.72
  4. Step 4: Simplify right side
    523,607.60x = 238,301,723,609.27
  5. Step 5: Solve for x
    x = 238,301,723,609.27/523,607.60
  6. Step 6: Final answer
    x = 455,115.10

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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.