Home / 857,117.76-1,286,257.52-351,769.92

Finding the Fourth Proportional to 857,117.76, 1,286,257.52 and 351,769.92

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Solution

The fourth proportional to 857,117.76, 1,286,257.52 and 351,769.92 is: 527,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,117.76 : 1,286,257.52 = 351,769.92 : x
  2. Step 2: Convert to fraction form
    857,117.76/1,286,257.52 = 351,769.92/x
  3. Step 3: Cross multiply
    857,117.76x = 1,286,257.52 × 351,769.92
  4. Step 4: Simplify right side
    857,117.76x = 452,466,704,909.80
  5. Step 5: Solve for x
    x = 452,466,704,909.80/857,117.76
  6. Step 6: Final answer
    x = 527,893.28

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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.