Home / 993,899.43-1,491,087.29-320,044.10

Finding the Fourth Proportional to 993,899.43, 1,491,087.29 and 320,044.10

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Solution

The fourth proportional to 993,899.43, 1,491,087.29 and 320,044.10 is: 480,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,899.43 : 1,491,087.29 = 320,044.10 : x
  2. Step 2: Convert to fraction form
    993,899.43/1,491,087.29 = 320,044.10/x
  3. Step 3: Cross multiply
    993,899.43x = 1,491,087.29 × 320,044.10
  4. Step 4: Simplify right side
    993,899.43x = 477,213,680,693.83
  5. Step 5: Solve for x
    x = 477,213,680,693.83/993,899.43
  6. Step 6: Final answer
    x = 480,142.83

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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.