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Finding the Fourth Proportional to 566,350.32, 781,548.63 and 308,232.42

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Solution

The fourth proportional to 566,350.32, 781,548.63 and 308,232.42 is: 425,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,350.32 : 781,548.63 = 308,232.42 : x
  2. Step 2: Convert to fraction form
    566,350.32/781,548.63 = 308,232.42/x
  3. Step 3: Cross multiply
    566,350.32x = 781,548.63 × 308,232.42
  4. Step 4: Simplify right side
    566,350.32x = 240,898,625,572.59
  5. Step 5: Solve for x
    x = 240,898,625,572.59/566,350.32
  6. Step 6: Final answer
    x = 425,352.68

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1.5x scale

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.