Home / 979,633.30-1,469,104.35-348,567.70

Finding the Fourth Proportional to 979,633.30, 1,469,104.35 and 348,567.70

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Solution

The fourth proportional to 979,633.30, 1,469,104.35 and 348,567.70 is: 522,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,633.30 : 1,469,104.35 = 348,567.70 : x
  2. Step 2: Convert to fraction form
    979,633.30/1,469,104.35 = 348,567.70/x
  3. Step 3: Cross multiply
    979,633.30x = 1,469,104.35 × 348,567.70
  4. Step 4: Simplify right side
    979,633.30x = 512,082,324,339.50
  5. Step 5: Solve for x
    x = 512,082,324,339.50/979,633.30
  6. Step 6: Final answer
    x = 522,728.58

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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.