Home / 696,742.25-961,502.33-386,691.64

Finding the Fourth Proportional to 696,742.25, 961,502.33 and 386,691.64

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Solution

The fourth proportional to 696,742.25, 961,502.33 and 386,691.64 is: 533,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,742.25 : 961,502.33 = 386,691.64 : x
  2. Step 2: Convert to fraction form
    696,742.25/961,502.33 = 386,691.64/x
  3. Step 3: Cross multiply
    696,742.25x = 961,502.33 × 386,691.64
  4. Step 4: Simplify right side
    696,742.25x = 371,804,912,851.52
  5. Step 5: Solve for x
    x = 371,804,912,851.52/696,742.25
  6. Step 6: Final answer
    x = 533,633.37

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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.