Home / 787,614.88-1,086,843.52-443,482.24

Finding the Fourth Proportional to 787,614.88, 1,086,843.52 and 443,482.24

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Solution

The fourth proportional to 787,614.88, 1,086,843.52 and 443,482.24 is: 611,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,614.88 : 1,086,843.52 = 443,482.24 : x
  2. Step 2: Convert to fraction form
    787,614.88/1,086,843.52 = 443,482.24/x
  3. Step 3: Cross multiply
    787,614.88x = 1,086,843.52 × 443,482.24
  4. Step 4: Simplify right side
    787,614.88x = 481,995,798,779.09
  5. Step 5: Solve for x
    x = 481,995,798,779.09/787,614.88
  6. Step 6: Final answer
    x = 611,968.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.