Home / 752,412.70-1,128,576.12-550,215.64

Finding the Fourth Proportional to 752,412.70, 1,128,576.12 and 550,215.64

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Solution

The fourth proportional to 752,412.70, 1,128,576.12 and 550,215.64 is: 825,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,412.70 : 1,128,576.12 = 550,215.64 : x
  2. Step 2: Convert to fraction form
    752,412.70/1,128,576.12 = 550,215.64/x
  3. Step 3: Cross multiply
    752,412.70x = 1,128,576.12 × 550,215.64
  4. Step 4: Simplify right side
    752,412.70x = 620,960,232,154.52
  5. Step 5: Solve for x
    x = 620,960,232,154.52/752,412.70
  6. Step 6: Final answer
    x = 825,292.07

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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.