Home / 649,981.27-897,199.61-446,705.09

Finding the Fourth Proportional to 649,981.27, 897,199.61 and 446,705.09

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Solution

The fourth proportional to 649,981.27, 897,199.61 and 446,705.09 is: 616,607.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,981.27 : 897,199.61 = 446,705.09 : x
  2. Step 2: Convert to fraction form
    649,981.27/897,199.61 = 446,705.09/x
  3. Step 3: Cross multiply
    649,981.27x = 897,199.61 × 446,705.09
  4. Step 4: Simplify right side
    649,981.27x = 400,783,625,813.49
  5. Step 5: Solve for x
    x = 400,783,625,813.49/649,981.27
  6. Step 6: Final answer
    x = 616,607.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.