Home / 677,452.80-1,016,572.85-303,475.80

Finding the Fourth Proportional to 677,452.80, 1,016,572.85 and 303,475.80

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Solution

The fourth proportional to 677,452.80, 1,016,572.85 and 303,475.80 is: 455,390.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,452.80 : 1,016,572.85 = 303,475.80 : x
  2. Step 2: Convert to fraction form
    677,452.80/1,016,572.85 = 303,475.80/x
  3. Step 3: Cross multiply
    677,452.80x = 1,016,572.85 × 303,475.80
  4. Step 4: Simplify right side
    677,452.80x = 308,505,257,394.65
  5. Step 5: Solve for x
    x = 308,505,257,394.65/677,452.80
  6. Step 6: Final answer
    x = 455,390.04

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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.