Home / 992,805.05-1,488,961.54-282,839.24

Finding the Fourth Proportional to 992,805.05, 1,488,961.54 and 282,839.24

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Solution

The fourth proportional to 992,805.05, 1,488,961.54 and 282,839.24 is: 424,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,805.05 : 1,488,961.54 = 282,839.24 : x
  2. Step 2: Convert to fraction form
    992,805.05/1,488,961.54 = 282,839.24/x
  3. Step 3: Cross multiply
    992,805.05x = 1,488,961.54 × 282,839.24
  4. Step 4: Simplify right side
    992,805.05x = 421,136,754,438.78
  5. Step 5: Solve for x
    x = 421,136,754,438.78/992,805.05
  6. Step 6: Final answer
    x = 424,188.77

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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.