Home / 765,400.74-1,146,460.86-622,568.04

Finding the Fourth Proportional to 765,400.74, 1,146,460.86 and 622,568.04

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Solution

The fourth proportional to 765,400.74, 1,146,460.86 and 622,568.04 is: 932,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,400.74 : 1,146,460.86 = 622,568.04 : x
  2. Step 2: Convert to fraction form
    765,400.74/1,146,460.86 = 622,568.04/x
  3. Step 3: Cross multiply
    765,400.74x = 1,146,460.86 × 622,568.04
  4. Step 4: Simplify right side
    765,400.74x = 713,749,890,546.92
  5. Step 5: Solve for x
    x = 713,749,890,546.92/765,400.74
  6. Step 6: Final answer
    x = 932,517.90

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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.