Home / 914,287.41-1,371,521.25-315,169.70

Finding the Fourth Proportional to 914,287.41, 1,371,521.25 and 315,169.70

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Solution

The fourth proportional to 914,287.41, 1,371,521.25 and 315,169.70 is: 472,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,287.41 : 1,371,521.25 = 315,169.70 : x
  2. Step 2: Convert to fraction form
    914,287.41/1,371,521.25 = 315,169.70/x
  3. Step 3: Cross multiply
    914,287.41x = 1,371,521.25 × 315,169.70
  4. Step 4: Simplify right side
    914,287.41x = 432,261,940,906.13
  5. Step 5: Solve for x
    x = 432,261,940,906.13/914,287.41
  6. Step 6: Final answer
    x = 472,785.62

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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.