Home / 720,446.85-1,080,547.29-240,608.25

Finding the Fourth Proportional to 720,446.85, 1,080,547.29 and 240,608.25

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Solution

The fourth proportional to 720,446.85, 1,080,547.29 and 240,608.25 is: 360,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,446.85 : 1,080,547.29 = 240,608.25 : x
  2. Step 2: Convert to fraction form
    720,446.85/1,080,547.29 = 240,608.25/x
  3. Step 3: Cross multiply
    720,446.85x = 1,080,547.29 × 240,608.25
  4. Step 4: Simplify right side
    720,446.85x = 259,988,592,489.14
  5. Step 5: Solve for x
    x = 259,988,592,489.14/720,446.85
  6. Step 6: Final answer
    x = 360,871.30

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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.