Home / 540,983.48-811,549.05-225,366.57

Finding the Fourth Proportional to 540,983.48, 811,549.05 and 225,366.57

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Solution

The fourth proportional to 540,983.48, 811,549.05 and 225,366.57 is: 338,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,983.48 : 811,549.05 = 225,366.57 : x
  2. Step 2: Convert to fraction form
    540,983.48/811,549.05 = 225,366.57/x
  3. Step 3: Cross multiply
    540,983.48x = 811,549.05 × 225,366.57
  4. Step 4: Simplify right side
    540,983.48x = 182,896,025,785.26
  5. Step 5: Solve for x
    x = 182,896,025,785.26/540,983.48
  6. Step 6: Final answer
    x = 338,080.61

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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.