Home / 801,008.80-1,200,055.20-633,630.40

Finding the Fourth Proportional to 801,008.80, 1,200,055.20 and 633,630.40

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Solution

The fourth proportional to 801,008.80, 1,200,055.20 and 633,630.40 is: 949,292.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,008.80 : 1,200,055.20 = 633,630.40 : x
  2. Step 2: Convert to fraction form
    801,008.80/1,200,055.20 = 633,630.40/x
  3. Step 3: Cross multiply
    801,008.80x = 1,200,055.20 × 633,630.40
  4. Step 4: Simplify right side
    801,008.80x = 760,391,456,398.08
  5. Step 5: Solve for x
    x = 760,391,456,398.08/801,008.80
  6. Step 6: Final answer
    x = 949,292.26

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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.