Home / 979,586.80-1,469,034.60-348,521.20

Finding the Fourth Proportional to 979,586.80, 1,469,034.60 and 348,521.20

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Solution

The fourth proportional to 979,586.80, 1,469,034.60 and 348,521.20 is: 522,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,586.80 : 1,469,034.60 = 348,521.20 : x
  2. Step 2: Convert to fraction form
    979,586.80/1,469,034.60 = 348,521.20/x
  3. Step 3: Cross multiply
    979,586.80x = 1,469,034.60 × 348,521.20
  4. Step 4: Simplify right side
    979,586.80x = 511,989,701,633.52
  5. Step 5: Solve for x
    x = 511,989,701,633.52/979,586.80
  6. Step 6: Final answer
    x = 522,658.84

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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.