Home / 674,228.20-1,011,731.10-253,805.80

Finding the Fourth Proportional to 674,228.20, 1,011,731.10 and 253,805.80

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Solution

The fourth proportional to 674,228.20, 1,011,731.10 and 253,805.80 is: 380,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,228.20 : 1,011,731.10 = 253,805.80 : x
  2. Step 2: Convert to fraction form
    674,228.20/1,011,731.10 = 253,805.80/x
  3. Step 3: Cross multiply
    674,228.20x = 1,011,731.10 × 253,805.80
  4. Step 4: Simplify right side
    674,228.20x = 256,783,221,220.38
  5. Step 5: Solve for x
    x = 256,783,221,220.38/674,228.20
  6. Step 6: Final answer
    x = 380,855.06

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Double scale
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Similar ratio
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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.