Home / 558,760.10-838,265.09-203,774.13

Finding the Fourth Proportional to 558,760.10, 838,265.09 and 203,774.13

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Solution

The fourth proportional to 558,760.10, 838,265.09 and 203,774.13 is: 305,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,760.10 : 838,265.09 = 203,774.13 : x
  2. Step 2: Convert to fraction form
    558,760.10/838,265.09 = 203,774.13/x
  3. Step 3: Cross multiply
    558,760.10x = 838,265.09 × 203,774.13
  4. Step 4: Simplify right side
    558,760.10x = 170,816,738,405.25
  5. Step 5: Solve for x
    x = 170,816,738,405.25/558,760.10
  6. Step 6: Final answer
    x = 305,706.76

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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.