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Finding the Fourth Proportional to 630,269.52, 945,643.14 and 377,731.24

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Solution

The fourth proportional to 630,269.52, 945,643.14 and 377,731.24 is: 566,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,269.52 : 945,643.14 = 377,731.24 : x
  2. Step 2: Convert to fraction form
    630,269.52/945,643.14 = 377,731.24/x
  3. Step 3: Cross multiply
    630,269.52x = 945,643.14 × 377,731.24
  4. Step 4: Simplify right side
    630,269.52x = 357,198,955,869.69
  5. Step 5: Solve for x
    x = 357,198,955,869.69/630,269.52
  6. Step 6: Final answer
    x = 566,740.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.