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Finding the Fourth Proportional to 564,860.28, 779,319.42 and 335,487.72

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Solution

The fourth proportional to 564,860.28, 779,319.42 and 335,487.72 is: 462,861.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,860.28 : 779,319.42 = 335,487.72 : x
  2. Step 2: Convert to fraction form
    564,860.28/779,319.42 = 335,487.72/x
  3. Step 3: Cross multiply
    564,860.28x = 779,319.42 × 335,487.72
  4. Step 4: Simplify right side
    564,860.28x = 261,452,095,367.52
  5. Step 5: Solve for x
    x = 261,452,095,367.52/564,860.28
  6. Step 6: Final answer
    x = 462,861.53

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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.