Home / 727,627.20-1,091,440.80-550,480.20

Finding the Fourth Proportional to 727,627.20, 1,091,440.80 and 550,480.20

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Solution

The fourth proportional to 727,627.20, 1,091,440.80 and 550,480.20 is: 825,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,627.20 : 1,091,440.80 = 550,480.20 : x
  2. Step 2: Convert to fraction form
    727,627.20/1,091,440.80 = 550,480.20/x
  3. Step 3: Cross multiply
    727,627.20x = 1,091,440.80 × 550,480.20
  4. Step 4: Simplify right side
    727,627.20x = 600,816,549,872.16
  5. Step 5: Solve for x
    x = 600,816,549,872.16/727,627.20
  6. Step 6: Final answer
    x = 825,720.30

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Double scale
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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.