Home / 683,126.55-1,025,044.45-278,615.53

Finding the Fourth Proportional to 683,126.55, 1,025,044.45 and 278,615.53

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Solution

The fourth proportional to 683,126.55, 1,025,044.45 and 278,615.53 is: 418,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,126.55 : 1,025,044.45 = 278,615.53 : x
  2. Step 2: Convert to fraction form
    683,126.55/1,025,044.45 = 278,615.53/x
  3. Step 3: Cross multiply
    683,126.55x = 1,025,044.45 × 278,615.53
  4. Step 4: Simplify right side
    683,126.55x = 285,593,298,312.81
  5. Step 5: Solve for x
    x = 285,593,298,312.81/683,126.55
  6. Step 6: Final answer
    x = 418,067.92

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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.