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Finding the Fourth Proportional to 656,565.80, 984,848.70 and 341,637.80

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Solution

The fourth proportional to 656,565.80, 984,848.70 and 341,637.80 is: 512,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,565.80 : 984,848.70 = 341,637.80 : x
  2. Step 2: Convert to fraction form
    656,565.80/984,848.70 = 341,637.80/x
  3. Step 3: Cross multiply
    656,565.80x = 984,848.70 × 341,637.80
  4. Step 4: Simplify right side
    656,565.80x = 336,461,543,200.86
  5. Step 5: Solve for x
    x = 336,461,543,200.86/656,565.80
  6. Step 6: Final answer
    x = 512,456.70

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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.