Home / 591,811.20-887,133.60-292,046.40

Finding the Fourth Proportional to 591,811.20, 887,133.60 and 292,046.40

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Solution

The fourth proportional to 591,811.20, 887,133.60 and 292,046.40 is: 437,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,811.20 : 887,133.60 = 292,046.40 : x
  2. Step 2: Convert to fraction form
    591,811.20/887,133.60 = 292,046.40/x
  3. Step 3: Cross multiply
    591,811.20x = 887,133.60 × 292,046.40
  4. Step 4: Simplify right side
    591,811.20x = 259,084,174,199.04
  5. Step 5: Solve for x
    x = 259,084,174,199.04/591,811.20
  6. Step 6: Final answer
    x = 437,781.80

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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.