Home / 871,305.62-1,307,470.39-365,827.72

Finding the Fourth Proportional to 871,305.62, 1,307,470.39 and 365,827.72

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Solution

The fourth proportional to 871,305.62, 1,307,470.39 and 365,827.72 is: 548,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,305.62 : 1,307,470.39 = 365,827.72 : x
  2. Step 2: Convert to fraction form
    871,305.62/1,307,470.39 = 365,827.72/x
  3. Step 3: Cross multiply
    871,305.62x = 1,307,470.39 × 365,827.72
  4. Step 4: Simplify right side
    871,305.62x = 478,308,912,067.25
  5. Step 5: Solve for x
    x = 478,308,912,067.25/871,305.62
  6. Step 6: Final answer
    x = 548,956.54

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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.