Home / 758,736.12-1,138,180.76-246,379.80

Finding the Fourth Proportional to 758,736.12, 1,138,180.76 and 246,379.80

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Solution

The fourth proportional to 758,736.12, 1,138,180.76 and 246,379.80 is: 369,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,736.12 : 1,138,180.76 = 246,379.80 : x
  2. Step 2: Convert to fraction form
    758,736.12/1,138,180.76 = 246,379.80/x
  3. Step 3: Cross multiply
    758,736.12x = 1,138,180.76 × 246,379.80
  4. Step 4: Simplify right side
    758,736.12x = 280,424,748,012.65
  5. Step 5: Solve for x
    x = 280,424,748,012.65/758,736.12
  6. Step 6: Final answer
    x = 369,594.57

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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.