Home / 657,117.28-985,527.27-301,789.72

Finding the Fourth Proportional to 657,117.28, 985,527.27 and 301,789.72

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Solution

The fourth proportional to 657,117.28, 985,527.27 and 301,789.72 is: 452,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,117.28 : 985,527.27 = 301,789.72 : x
  2. Step 2: Convert to fraction form
    657,117.28/985,527.27 = 301,789.72/x
  3. Step 3: Cross multiply
    657,117.28x = 985,527.27 × 301,789.72
  4. Step 4: Simplify right side
    657,117.28x = 297,421,998,865.66
  5. Step 5: Solve for x
    x = 297,421,998,865.66/657,117.28
  6. Step 6: Final answer
    x = 452,616.31

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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.