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Finding the Fourth Proportional to 524,374.08, 723,691.76 and 320,544.32

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Solution

The fourth proportional to 524,374.08, 723,691.76 and 320,544.32 is: 442,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,374.08 : 723,691.76 = 320,544.32 : x
  2. Step 2: Convert to fraction form
    524,374.08/723,691.76 = 320,544.32/x
  3. Step 3: Cross multiply
    524,374.08x = 723,691.76 × 320,544.32
  4. Step 4: Simplify right side
    524,374.08x = 231,975,277,877.62
  5. Step 5: Solve for x
    x = 231,975,277,877.62/524,374.08
  6. Step 6: Final answer
    x = 442,385.10

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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.