Home / 648,282.47-894,691.98-361,829.21

Finding the Fourth Proportional to 648,282.47, 894,691.98 and 361,829.21

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Solution

The fourth proportional to 648,282.47, 894,691.98 and 361,829.21 is: 499,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,282.47 : 894,691.98 = 361,829.21 : x
  2. Step 2: Convert to fraction form
    648,282.47/894,691.98 = 361,829.21/x
  3. Step 3: Cross multiply
    648,282.47x = 894,691.98 × 361,829.21
  4. Step 4: Simplify right side
    648,282.47x = 323,725,687,843.28
  5. Step 5: Solve for x
    x = 323,725,687,843.28/648,282.47
  6. Step 6: Final answer
    x = 499,359.01

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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.