Home / 948,563.20-1,422,326.40-386,963.20

Finding the Fourth Proportional to 948,563.20, 1,422,326.40 and 386,963.20

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Solution

The fourth proportional to 948,563.20, 1,422,326.40 and 386,963.20 is: 580,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,563.20 : 1,422,326.40 = 386,963.20 : x
  2. Step 2: Convert to fraction form
    948,563.20/1,422,326.40 = 386,963.20/x
  3. Step 3: Cross multiply
    948,563.20x = 1,422,326.40 × 386,963.20
  4. Step 4: Simplify right side
    948,563.20x = 550,387,975,188.48
  5. Step 5: Solve for x
    x = 550,387,975,188.48/948,563.20
  6. Step 6: Final answer
    x = 580,233.32

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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.