Home / 758,670.30-1,138,005.45-197,704.80

Finding the Fourth Proportional to 758,670.30, 1,138,005.45 and 197,704.80

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Solution

The fourth proportional to 758,670.30, 1,138,005.45 and 197,704.80 is: 296,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,670.30 : 1,138,005.45 = 197,704.80 : x
  2. Step 2: Convert to fraction form
    758,670.30/1,138,005.45 = 197,704.80/x
  3. Step 3: Cross multiply
    758,670.30x = 1,138,005.45 × 197,704.80
  4. Step 4: Simplify right side
    758,670.30x = 224,989,139,891.16
  5. Step 5: Solve for x
    x = 224,989,139,891.16/758,670.30
  6. Step 6: Final answer
    x = 296,557.20

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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.