Home / 939,902.80-1,297,061.49-510,179.17

Finding the Fourth Proportional to 939,902.80, 1,297,061.49 and 510,179.17

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Solution

The fourth proportional to 939,902.80, 1,297,061.49 and 510,179.17 is: 704,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,902.80 : 1,297,061.49 = 510,179.17 : x
  2. Step 2: Convert to fraction form
    939,902.80/1,297,061.49 = 510,179.17/x
  3. Step 3: Cross multiply
    939,902.80x = 1,297,061.49 × 510,179.17
  4. Step 4: Simplify right side
    939,902.80x = 661,733,754,407.16
  5. Step 5: Solve for x
    x = 661,733,754,407.16/939,902.80
  6. Step 6: Final answer
    x = 704,044.88

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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.