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Finding the Fourth Proportional to 580,801.70, 871,202.55 and 206,776.10

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Solution

The fourth proportional to 580,801.70, 871,202.55 and 206,776.10 is: 310,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,801.70 : 871,202.55 = 206,776.10 : x
  2. Step 2: Convert to fraction form
    580,801.70/871,202.55 = 206,776.10/x
  3. Step 3: Cross multiply
    580,801.70x = 871,202.55 × 206,776.10
  4. Step 4: Simplify right side
    580,801.70x = 180,143,865,599.06
  5. Step 5: Solve for x
    x = 180,143,865,599.06/580,801.70
  6. Step 6: Final answer
    x = 310,164.15

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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.