Home / 882,069.32-1,217,218.92-500,121.92

Finding the Fourth Proportional to 882,069.32, 1,217,218.92 and 500,121.92

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Solution

The fourth proportional to 882,069.32, 1,217,218.92 and 500,121.92 is: 690,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,069.32 : 1,217,218.92 = 500,121.92 : x
  2. Step 2: Convert to fraction form
    882,069.32/1,217,218.92 = 500,121.92/x
  3. Step 3: Cross multiply
    882,069.32x = 1,217,218.92 × 500,121.92
  4. Step 4: Simplify right side
    882,069.32x = 608,757,863,330.73
  5. Step 5: Solve for x
    x = 608,757,863,330.73/882,069.32
  6. Step 6: Final answer
    x = 690,147.42

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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.