Home / 683,393.76-1,025,172.65-284,304.53

Finding the Fourth Proportional to 683,393.76, 1,025,172.65 and 284,304.53

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Solution

The fourth proportional to 683,393.76, 1,025,172.65 and 284,304.53 is: 426,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,393.76 : 1,025,172.65 = 284,304.53 : x
  2. Step 2: Convert to fraction form
    683,393.76/1,025,172.65 = 284,304.53/x
  3. Step 3: Cross multiply
    683,393.76x = 1,025,172.65 × 284,304.53
  4. Step 4: Simplify right side
    683,393.76x = 291,461,231,700.80
  5. Step 5: Solve for x
    x = 291,461,231,700.80/683,393.76
  6. Step 6: Final answer
    x = 426,490.92

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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.