Home / 775,484.82-1,070,087.22-431,264.88

Finding the Fourth Proportional to 775,484.82, 1,070,087.22 and 431,264.88

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Solution

The fourth proportional to 775,484.82, 1,070,087.22 and 431,264.88 is: 595,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,484.82 : 1,070,087.22 = 431,264.88 : x
  2. Step 2: Convert to fraction form
    775,484.82/1,070,087.22 = 431,264.88/x
  3. Step 3: Cross multiply
    775,484.82x = 1,070,087.22 × 431,264.88
  4. Step 4: Simplify right side
    775,484.82x = 461,491,036,522.83
  5. Step 5: Solve for x
    x = 461,491,036,522.83/775,484.82
  6. Step 6: Final answer
    x = 595,100.03

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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.