Home / 750,900.23-1,126,754.94-545,757.20

Finding the Fourth Proportional to 750,900.23, 1,126,754.94 and 545,757.20

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Solution

The fourth proportional to 750,900.23, 1,126,754.94 and 545,757.20 is: 818,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,900.23 : 1,126,754.94 = 545,757.20 : x
  2. Step 2: Convert to fraction form
    750,900.23/1,126,754.94 = 545,757.20/x
  3. Step 3: Cross multiply
    750,900.23x = 1,126,754.94 × 545,757.20
  4. Step 4: Simplify right side
    750,900.23x = 614,934,621,140.57
  5. Step 5: Solve for x
    x = 614,934,621,140.57/750,900.23
  6. Step 6: Final answer
    x = 818,929.86

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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.