Home / 526,942.20-790,324.02-147,775.80

Finding the Fourth Proportional to 526,942.20, 790,324.02 and 147,775.80

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Solution

The fourth proportional to 526,942.20, 790,324.02 and 147,775.80 is: 221,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,942.20 : 790,324.02 = 147,775.80 : x
  2. Step 2: Convert to fraction form
    526,942.20/790,324.02 = 147,775.80/x
  3. Step 3: Cross multiply
    526,942.20x = 790,324.02 × 147,775.80
  4. Step 4: Simplify right side
    526,942.20x = 116,790,764,314.72
  5. Step 5: Solve for x
    x = 116,790,764,314.72/526,942.20
  6. Step 6: Final answer
    x = 221,638.66

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1.5x scale

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.