Home / 738,116.60-1,107,174.90-205,719.80

Finding the Fourth Proportional to 738,116.60, 1,107,174.90 and 205,719.80

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Solution

The fourth proportional to 738,116.60, 1,107,174.90 and 205,719.80 is: 308,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,116.60 : 1,107,174.90 = 205,719.80 : x
  2. Step 2: Convert to fraction form
    738,116.60/1,107,174.90 = 205,719.80/x
  3. Step 3: Cross multiply
    738,116.60x = 1,107,174.90 × 205,719.80
  4. Step 4: Simplify right side
    738,116.60x = 227,767,798,993.02
  5. Step 5: Solve for x
    x = 227,767,798,993.02/738,116.60
  6. Step 6: Final answer
    x = 308,579.70

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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.