Home / 949,162.60-1,422,917.34-387,839.08

Finding the Fourth Proportional to 949,162.60, 1,422,917.34 and 387,839.08

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Solution

The fourth proportional to 949,162.60, 1,422,917.34 and 387,839.08 is: 581,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,162.60 : 1,422,917.34 = 387,839.08 : x
  2. Step 2: Convert to fraction form
    949,162.60/1,422,917.34 = 387,839.08/x
  3. Step 3: Cross multiply
    949,162.60x = 1,422,917.34 × 387,839.08
  4. Step 4: Simplify right side
    949,162.60x = 551,862,952,061.65
  5. Step 5: Solve for x
    x = 551,862,952,061.65/949,162.60
  6. Step 6: Final answer
    x = 581,420.88

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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.