Home / 646,813.14-970,354.11-272,839.38

Finding the Fourth Proportional to 646,813.14, 970,354.11 and 272,839.38

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Solution

The fourth proportional to 646,813.14, 970,354.11 and 272,839.38 is: 409,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,813.14 : 970,354.11 = 272,839.38 : x
  2. Step 2: Convert to fraction form
    646,813.14/970,354.11 = 272,839.38/x
  3. Step 3: Cross multiply
    646,813.14x = 970,354.11 × 272,839.38
  4. Step 4: Simplify right side
    646,813.14x = 264,750,813,752.85
  5. Step 5: Solve for x
    x = 264,750,813,752.85/646,813.14
  6. Step 6: Final answer
    x = 409,315.76

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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.