Home / 720,536.19-1,080,860.08-240,765.66

Finding the Fourth Proportional to 720,536.19, 1,080,860.08 and 240,765.66

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Solution

The fourth proportional to 720,536.19, 1,080,860.08 and 240,765.66 is: 361,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,536.19 : 1,080,860.08 = 240,765.66 : x
  2. Step 2: Convert to fraction form
    720,536.19/1,080,860.08 = 240,765.66/x
  3. Step 3: Cross multiply
    720,536.19x = 1,080,860.08 × 240,765.66
  4. Step 4: Simplify right side
    720,536.19x = 260,233,990,528.85
  5. Step 5: Solve for x
    x = 260,233,990,528.85/720,536.19
  6. Step 6: Final answer
    x = 361,167.13

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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.