Home / 890,982.83-1,335,470.25-442,025.48

Finding the Fourth Proportional to 890,982.83, 1,335,470.25 and 442,025.48

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Solution

The fourth proportional to 890,982.83, 1,335,470.25 and 442,025.48 is: 662,540.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,982.83 : 1,335,470.25 = 442,025.48 : x
  2. Step 2: Convert to fraction form
    890,982.83/1,335,470.25 = 442,025.48/x
  3. Step 3: Cross multiply
    890,982.83x = 1,335,470.25 × 442,025.48
  4. Step 4: Simplify right side
    890,982.83x = 590,311,878,281.97
  5. Step 5: Solve for x
    x = 590,311,878,281.97/890,982.83
  6. Step 6: Final answer
    x = 662,540.13

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1.5x scale

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.