Home / 510,851.04-766,340.17-173,865.79

Finding the Fourth Proportional to 510,851.04, 766,340.17 and 173,865.79

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Solution

The fourth proportional to 510,851.04, 766,340.17 and 173,865.79 is: 260,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,851.04 : 766,340.17 = 173,865.79 : x
  2. Step 2: Convert to fraction form
    510,851.04/766,340.17 = 173,865.79/x
  3. Step 3: Cross multiply
    510,851.04x = 766,340.17 × 173,865.79
  4. Step 4: Simplify right side
    510,851.04x = 133,240,341,198.97
  5. Step 5: Solve for x
    x = 133,240,341,198.97/510,851.04
  6. Step 6: Final answer
    x = 260,820.34

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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.