Home / 891,690.30-1,337,519.97-359,197.74

Finding the Fourth Proportional to 891,690.30, 1,337,519.97 and 359,197.74

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Solution

The fourth proportional to 891,690.30, 1,337,519.97 and 359,197.74 is: 538,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,690.30 : 1,337,519.97 = 359,197.74 : x
  2. Step 2: Convert to fraction form
    891,690.30/1,337,519.97 = 359,197.74/x
  3. Step 3: Cross multiply
    891,690.30x = 1,337,519.97 × 359,197.74
  4. Step 4: Simplify right side
    891,690.30x = 480,434,150,428.87
  5. Step 5: Solve for x
    x = 480,434,150,428.87/891,690.30
  6. Step 6: Final answer
    x = 538,790.37

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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.