Home / 720,447.85-1,080,548.79-240,609.25

Finding the Fourth Proportional to 720,447.85, 1,080,548.79 and 240,609.25

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Solution

The fourth proportional to 720,447.85, 1,080,548.79 and 240,609.25 is: 360,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,447.85 : 1,080,548.79 = 240,609.25 : x
  2. Step 2: Convert to fraction form
    720,447.85/1,080,548.79 = 240,609.25/x
  3. Step 3: Cross multiply
    720,447.85x = 1,080,548.79 × 240,609.25
  4. Step 4: Simplify right side
    720,447.85x = 259,990,033,950.31
  5. Step 5: Solve for x
    x = 259,990,033,950.31/720,447.85
  6. Step 6: Final answer
    x = 360,872.80

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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.