Home / 979,590.80-1,469,040.60-348,525.20

Finding the Fourth Proportional to 979,590.80, 1,469,040.60 and 348,525.20

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Solution

The fourth proportional to 979,590.80, 1,469,040.60 and 348,525.20 is: 522,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,590.80 : 1,469,040.60 = 348,525.20 : x
  2. Step 2: Convert to fraction form
    979,590.80/1,469,040.60 = 348,525.20/x
  3. Step 3: Cross multiply
    979,590.80x = 1,469,040.60 × 348,525.20
  4. Step 4: Simplify right side
    979,590.80x = 511,997,668,923.12
  5. Step 5: Solve for x
    x = 511,997,668,923.12/979,590.80
  6. Step 6: Final answer
    x = 522,664.84

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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.