Home / 720,743.43-1,081,214.46-247,367.28

Finding the Fourth Proportional to 720,743.43, 1,081,214.46 and 247,367.28

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Solution

The fourth proportional to 720,743.43, 1,081,214.46 and 247,367.28 is: 371,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,743.43 : 1,081,214.46 = 247,367.28 : x
  2. Step 2: Convert to fraction form
    720,743.43/1,081,214.46 = 247,367.28/x
  3. Step 3: Cross multiply
    720,743.43x = 1,081,214.46 × 247,367.28
  4. Step 4: Simplify right side
    720,743.43x = 267,457,080,066.87
  5. Step 5: Solve for x
    x = 267,457,080,066.87/720,743.43
  6. Step 6: Final answer
    x = 371,085.01

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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.