Home / 756,151.12-1,134,225.65-351,121.85

Finding the Fourth Proportional to 756,151.12, 1,134,225.65 and 351,121.85

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Solution

The fourth proportional to 756,151.12, 1,134,225.65 and 351,121.85 is: 526,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,151.12 : 1,134,225.65 = 351,121.85 : x
  2. Step 2: Convert to fraction form
    756,151.12/1,134,225.65 = 351,121.85/x
  3. Step 3: Cross multiply
    756,151.12x = 1,134,225.65 × 351,121.85
  4. Step 4: Simplify right side
    756,151.12x = 398,251,407,017.95
  5. Step 5: Solve for x
    x = 398,251,407,017.95/756,151.12
  6. Step 6: Final answer
    x = 526,682.29

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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.