Home / 861,864.60-1,292,884.38-329,833.11

Finding the Fourth Proportional to 861,864.60, 1,292,884.38 and 329,833.11

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Solution

The fourth proportional to 861,864.60, 1,292,884.38 and 329,833.11 is: 494,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,864.60 : 1,292,884.38 = 329,833.11 : x
  2. Step 2: Convert to fraction form
    861,864.60/1,292,884.38 = 329,833.11/x
  3. Step 3: Cross multiply
    861,864.60x = 1,292,884.38 × 329,833.11
  4. Step 4: Simplify right side
    861,864.60x = 426,436,075,925.82
  5. Step 5: Solve for x
    x = 426,436,075,925.82/861,864.60
  6. Step 6: Final answer
    x = 494,783.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.