Home / 880,727.20-1,321,090.80-576,296.80

Finding the Fourth Proportional to 880,727.20, 1,321,090.80 and 576,296.80

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Solution

The fourth proportional to 880,727.20, 1,321,090.80 and 576,296.80 is: 864,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,727.20 : 1,321,090.80 = 576,296.80 : x
  2. Step 2: Convert to fraction form
    880,727.20/1,321,090.80 = 576,296.80/x
  3. Step 3: Cross multiply
    880,727.20x = 1,321,090.80 × 576,296.80
  4. Step 4: Simplify right side
    880,727.20x = 761,340,400,549.44
  5. Step 5: Solve for x
    x = 761,340,400,549.44/880,727.20
  6. Step 6: Final answer
    x = 864,445.20

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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.