Home / 851,553.65-1,275,884.51-513,884.77

Finding the Fourth Proportional to 851,553.65, 1,275,884.51 and 513,884.77

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Solution

The fourth proportional to 851,553.65, 1,275,884.51 and 513,884.77 is: 769,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,553.65 : 1,275,884.51 = 513,884.77 : x
  2. Step 2: Convert to fraction form
    851,553.65/1,275,884.51 = 513,884.77/x
  3. Step 3: Cross multiply
    851,553.65x = 1,275,884.51 × 513,884.77
  4. Step 4: Simplify right side
    851,553.65x = 655,657,616,062.91
  5. Step 5: Solve for x
    x = 655,657,616,062.91/851,553.65
  6. Step 6: Final answer
    x = 769,954.56

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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.