Home / 880,687.20-1,321,030.80-576,256.80

Finding the Fourth Proportional to 880,687.20, 1,321,030.80 and 576,256.80

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Solution

The fourth proportional to 880,687.20, 1,321,030.80 and 576,256.80 is: 864,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,687.20 : 1,321,030.80 = 576,256.80 : x
  2. Step 2: Convert to fraction form
    880,687.20/1,321,030.80 = 576,256.80/x
  3. Step 3: Cross multiply
    880,687.20x = 1,321,030.80 × 576,256.80
  4. Step 4: Simplify right side
    880,687.20x = 761,252,981,509.44
  5. Step 5: Solve for x
    x = 761,252,981,509.44/880,687.20
  6. Step 6: Final answer
    x = 864,385.20

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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.