Home / 758,983.32-1,138,307.29-219,122.30

Finding the Fourth Proportional to 758,983.32, 1,138,307.29 and 219,122.30

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Solution

The fourth proportional to 758,983.32, 1,138,307.29 and 219,122.30 is: 328,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,983.32 : 1,138,307.29 = 219,122.30 : x
  2. Step 2: Convert to fraction form
    758,983.32/1,138,307.29 = 219,122.30/x
  3. Step 3: Cross multiply
    758,983.32x = 1,138,307.29 × 219,122.30
  4. Step 4: Simplify right side
    758,983.32x = 249,428,511,491.57
  5. Step 5: Solve for x
    x = 249,428,511,491.57/758,983.32
  6. Step 6: Final answer
    x = 328,635.04

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1.5x scale

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.