Home / 572,926.88-791,003.52-391,940.48

Finding the Fourth Proportional to 572,926.88, 791,003.52 and 391,940.48

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Solution

The fourth proportional to 572,926.88, 791,003.52 and 391,940.48 is: 541,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,926.88 : 791,003.52 = 391,940.48 : x
  2. Step 2: Convert to fraction form
    572,926.88/791,003.52 = 391,940.48/x
  3. Step 3: Cross multiply
    572,926.88x = 791,003.52 × 391,940.48
  4. Step 4: Simplify right side
    572,926.88x = 310,026,299,310.49
  5. Step 5: Solve for x
    x = 310,026,299,310.49/572,926.88
  6. Step 6: Final answer
    x = 541,127.17

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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.