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Finding the Fourth Proportional to 606,455.60, 908,480.55 and 531,660.20

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Solution

The fourth proportional to 606,455.60, 908,480.55 and 531,660.20 is: 796,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,455.60 : 908,480.55 = 531,660.20 : x
  2. Step 2: Convert to fraction form
    606,455.60/908,480.55 = 531,660.20/x
  3. Step 3: Cross multiply
    606,455.60x = 908,480.55 × 531,660.20
  4. Step 4: Simplify right side
    606,455.60x = 483,002,950,909.11
  5. Step 5: Solve for x
    x = 483,002,950,909.11/606,455.60
  6. Step 6: Final answer
    x = 796,435.80

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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.