Home / 815,530.76-1,125,401.33-452,977.88

Finding the Fourth Proportional to 815,530.76, 1,125,401.33 and 452,977.88

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Solution

The fourth proportional to 815,530.76, 1,125,401.33 and 452,977.88 is: 625,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,530.76 : 1,125,401.33 = 452,977.88 : x
  2. Step 2: Convert to fraction form
    815,530.76/1,125,401.33 = 452,977.88/x
  3. Step 3: Cross multiply
    815,530.76x = 1,125,401.33 × 452,977.88
  4. Step 4: Simplify right side
    815,530.76x = 509,781,904,735.21
  5. Step 5: Solve for x
    x = 509,781,904,735.21/815,530.76
  6. Step 6: Final answer
    x = 625,092.18

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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.