Home / 992,612.88-1,488,841.56-361,668.24

Finding the Fourth Proportional to 992,612.88, 1,488,841.56 and 361,668.24

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Solution

The fourth proportional to 992,612.88, 1,488,841.56 and 361,668.24 is: 542,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,612.88 : 1,488,841.56 = 361,668.24 : x
  2. Step 2: Convert to fraction form
    992,612.88/1,488,841.56 = 361,668.24/x
  3. Step 3: Cross multiply
    992,612.88x = 1,488,841.56 × 361,668.24
  4. Step 4: Simplify right side
    992,612.88x = 538,466,706,644.05
  5. Step 5: Solve for x
    x = 538,466,706,644.05/992,612.88
  6. Step 6: Final answer
    x = 542,474.03

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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.