Home / 807,001.34-1,113,619.20-462,819.48

Finding the Fourth Proportional to 807,001.34, 1,113,619.20 and 462,819.48

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Solution

The fourth proportional to 807,001.34, 1,113,619.20 and 462,819.48 is: 638,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,001.34 : 1,113,619.20 = 462,819.48 : x
  2. Step 2: Convert to fraction form
    807,001.34/1,113,619.20 = 462,819.48/x
  3. Step 3: Cross multiply
    807,001.34x = 1,113,619.20 × 462,819.48
  4. Step 4: Simplify right side
    807,001.34x = 515,404,655,753.73
  5. Step 5: Solve for x
    x = 515,404,655,753.73/807,001.34
  6. Step 6: Final answer
    x = 638,666.42

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1.5x scale

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.