Home / 979,600.80-1,469,055.60-348,535.20

Finding the Fourth Proportional to 979,600.80, 1,469,055.60 and 348,535.20

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Solution

The fourth proportional to 979,600.80, 1,469,055.60 and 348,535.20 is: 522,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,600.80 : 1,469,055.60 = 348,535.20 : x
  2. Step 2: Convert to fraction form
    979,600.80/1,469,055.60 = 348,535.20/x
  3. Step 3: Cross multiply
    979,600.80x = 1,469,055.60 × 348,535.20
  4. Step 4: Simplify right side
    979,600.80x = 512,017,587,357.12
  5. Step 5: Solve for x
    x = 512,017,587,357.12/979,600.80
  6. Step 6: Final answer
    x = 522,679.84

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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.