Home / 971,727.57-1,341,414.04-627,731.23

Finding the Fourth Proportional to 971,727.57, 1,341,414.04 and 627,731.23

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Solution

The fourth proportional to 971,727.57, 1,341,414.04 and 627,731.23 is: 866,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,727.57 : 1,341,414.04 = 627,731.23 : x
  2. Step 2: Convert to fraction form
    971,727.57/1,341,414.04 = 627,731.23/x
  3. Step 3: Cross multiply
    971,727.57x = 1,341,414.04 × 627,731.23
  4. Step 4: Simplify right side
    971,727.57x = 842,047,485,268.47
  5. Step 5: Solve for x
    x = 842,047,485,268.47/971,727.57
  6. Step 6: Final answer
    x = 866,546.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.