Home / 738,760.75-1,108,141.37-177,795.25

Finding the Fourth Proportional to 738,760.75, 1,108,141.37 and 177,795.25

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Solution

The fourth proportional to 738,760.75, 1,108,141.37 and 177,795.25 is: 266,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,760.75 : 1,108,141.37 = 177,795.25 : x
  2. Step 2: Convert to fraction form
    738,760.75/1,108,141.37 = 177,795.25/x
  3. Step 3: Cross multiply
    738,760.75x = 1,108,141.37 × 177,795.25
  4. Step 4: Simplify right side
    738,760.75x = 197,022,271,914.49
  5. Step 5: Solve for x
    x = 197,022,271,914.49/738,760.75
  6. Step 6: Final answer
    x = 266,692.93

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Half scale
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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.