Home / 758,948.97-1,138,255.77-219,087.92

Finding the Fourth Proportional to 758,948.97, 1,138,255.77 and 219,087.92

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Solution

The fourth proportional to 758,948.97, 1,138,255.77 and 219,087.92 is: 328,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,948.97 : 1,138,255.77 = 219,087.92 : x
  2. Step 2: Convert to fraction form
    758,948.97/1,138,255.77 = 219,087.92/x
  3. Step 3: Cross multiply
    758,948.97x = 1,138,255.77 × 219,087.92
  4. Step 4: Simplify right side
    758,948.97x = 249,378,092,744.52
  5. Step 5: Solve for x
    x = 249,378,092,744.52/758,948.97
  6. Step 6: Final answer
    x = 328,583.48

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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.