Home / 712,654.72-1,068,982.08-291,854.08

Finding the Fourth Proportional to 712,654.72, 1,068,982.08 and 291,854.08

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Solution

The fourth proportional to 712,654.72, 1,068,982.08 and 291,854.08 is: 437,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,654.72 : 1,068,982.08 = 291,854.08 : x
  2. Step 2: Convert to fraction form
    712,654.72/1,068,982.08 = 291,854.08/x
  3. Step 3: Cross multiply
    712,654.72x = 1,068,982.08 × 291,854.08
  4. Step 4: Simplify right side
    712,654.72x = 311,986,781,494.89
  5. Step 5: Solve for x
    x = 311,986,781,494.89/712,654.72
  6. Step 6: Final answer
    x = 437,781.12

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1.5x scale

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.