Home / 894,889.76-1,234,948.02-492,481.76

Finding the Fourth Proportional to 894,889.76, 1,234,948.02 and 492,481.76

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Solution

The fourth proportional to 894,889.76, 1,234,948.02 and 492,481.76 is: 679,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,889.76 : 1,234,948.02 = 492,481.76 : x
  2. Step 2: Convert to fraction form
    894,889.76/1,234,948.02 = 492,481.76/x
  3. Step 3: Cross multiply
    894,889.76x = 1,234,948.02 × 492,481.76
  4. Step 4: Simplify right side
    894,889.76x = 608,189,374,398.12
  5. Step 5: Solve for x
    x = 608,189,374,398.12/894,889.76
  6. Step 6: Final answer
    x = 679,624.91

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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.