Home / 838,655.73-1,256,819.76-382,131.29

Finding the Fourth Proportional to 838,655.73, 1,256,819.76 and 382,131.29

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Solution

The fourth proportional to 838,655.73, 1,256,819.76 and 382,131.29 is: 572,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,655.73 : 1,256,819.76 = 382,131.29 : x
  2. Step 2: Convert to fraction form
    838,655.73/1,256,819.76 = 382,131.29/x
  3. Step 3: Cross multiply
    838,655.73x = 1,256,819.76 × 382,131.29
  4. Step 4: Simplify right side
    838,655.73x = 480,270,156,186.29
  5. Step 5: Solve for x
    x = 480,270,156,186.29/838,655.73
  6. Step 6: Final answer
    x = 572,666.64

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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.