Home / 830,230.10-1,245,345.15-748,873.70

Finding the Fourth Proportional to 830,230.10, 1,245,345.15 and 748,873.70

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Solution

The fourth proportional to 830,230.10, 1,245,345.15 and 748,873.70 is: 1,123,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,230.10 : 1,245,345.15 = 748,873.70 : x
  2. Step 2: Convert to fraction form
    830,230.10/1,245,345.15 = 748,873.70/x
  3. Step 3: Cross multiply
    830,230.10x = 1,245,345.15 × 748,873.70
  4. Step 4: Simplify right side
    830,230.10x = 932,606,230,257.56
  5. Step 5: Solve for x
    x = 932,606,230,257.56/830,230.10
  6. Step 6: Final answer
    x = 1,123,310.55

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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.