Home / 690,114.60-1,034,843.76-240,781.08

Finding the Fourth Proportional to 690,114.60, 1,034,843.76 and 240,781.08

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Solution

The fourth proportional to 690,114.60, 1,034,843.76 and 240,781.08 is: 361,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,114.60 : 1,034,843.76 = 240,781.08 : x
  2. Step 2: Convert to fraction form
    690,114.60/1,034,843.76 = 240,781.08/x
  3. Step 3: Cross multiply
    690,114.60x = 1,034,843.76 × 240,781.08
  4. Step 4: Simplify right side
    690,114.60x = 249,170,798,164.06
  5. Step 5: Solve for x
    x = 249,170,798,164.06/690,114.60
  6. Step 6: Final answer
    x = 361,057.13

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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.