Home / 871,819.92-1,307,693.43-303,329.62

Finding the Fourth Proportional to 871,819.92, 1,307,693.43 and 303,329.62

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Solution

The fourth proportional to 871,819.92, 1,307,693.43 and 303,329.62 is: 454,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,819.92 : 1,307,693.43 = 303,329.62 : x
  2. Step 2: Convert to fraction form
    871,819.92/1,307,693.43 = 303,329.62/x
  3. Step 3: Cross multiply
    871,819.92x = 1,307,693.43 × 303,329.62
  4. Step 4: Simplify right side
    871,819.92x = 396,662,152,833.01
  5. Step 5: Solve for x
    x = 396,662,152,833.01/871,819.92
  6. Step 6: Final answer
    x = 454,981.75

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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.