Home / 657,071.10-906,756.32-366,679.55

Finding the Fourth Proportional to 657,071.10, 906,756.32 and 366,679.55

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Solution

The fourth proportional to 657,071.10, 906,756.32 and 366,679.55 is: 506,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,071.10 : 906,756.32 = 366,679.55 : x
  2. Step 2: Convert to fraction form
    657,071.10/906,756.32 = 366,679.55/x
  3. Step 3: Cross multiply
    657,071.10x = 906,756.32 × 366,679.55
  4. Step 4: Simplify right side
    657,071.10x = 332,489,002,560.85
  5. Step 5: Solve for x
    x = 332,489,002,560.85/657,071.10
  6. Step 6: Final answer
    x = 506,016.78

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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.