Home / 851,553.40-1,275,884.14-513,884.52

Finding the Fourth Proportional to 851,553.40, 1,275,884.14 and 513,884.52

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Solution

The fourth proportional to 851,553.40, 1,275,884.14 and 513,884.52 is: 769,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,553.40 : 1,275,884.14 = 513,884.52 : x
  2. Step 2: Convert to fraction form
    851,553.40/1,275,884.14 = 513,884.52/x
  3. Step 3: Cross multiply
    851,553.40x = 1,275,884.14 × 513,884.52
  4. Step 4: Simplify right side
    851,553.40x = 655,657,102,480.09
  5. Step 5: Solve for x
    x = 655,657,102,480.09/851,553.40
  6. Step 6: Final answer
    x = 769,954.19

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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.