Home / 771,785.68-1,064,724.97-465,691.33

Finding the Fourth Proportional to 771,785.68, 1,064,724.97 and 465,691.33

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Solution

The fourth proportional to 771,785.68, 1,064,724.97 and 465,691.33 is: 642,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,785.68 : 1,064,724.97 = 465,691.33 : x
  2. Step 2: Convert to fraction form
    771,785.68/1,064,724.97 = 465,691.33/x
  3. Step 3: Cross multiply
    771,785.68x = 1,064,724.97 × 465,691.33
  4. Step 4: Simplify right side
    771,785.68x = 495,833,187,363.51
  5. Step 5: Solve for x
    x = 495,833,187,363.51/771,785.68
  6. Step 6: Final answer
    x = 642,449.32

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1.5x scale

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.