Home / 851,552.89-1,275,883.39-513,884.01

Finding the Fourth Proportional to 851,552.89, 1,275,883.39 and 513,884.01

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Solution

The fourth proportional to 851,552.89, 1,275,883.39 and 513,884.01 is: 769,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,552.89 : 1,275,883.39 = 513,884.01 : x
  2. Step 2: Convert to fraction form
    851,552.89/1,275,883.39 = 513,884.01/x
  3. Step 3: Cross multiply
    851,552.89x = 1,275,883.39 × 513,884.01
  4. Step 4: Simplify right side
    851,552.89x = 655,656,078,385.91
  5. Step 5: Solve for x
    x = 655,656,078,385.91/851,552.89
  6. Step 6: Final answer
    x = 769,953.44

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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.