Home / 782,781.92-1,173,802.72-303,234.32

Finding the Fourth Proportional to 782,781.92, 1,173,802.72 and 303,234.32

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Solution

The fourth proportional to 782,781.92, 1,173,802.72 and 303,234.32 is: 454,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,781.92 : 1,173,802.72 = 303,234.32 : x
  2. Step 2: Convert to fraction form
    782,781.92/1,173,802.72 = 303,234.32/x
  3. Step 3: Cross multiply
    782,781.92x = 1,173,802.72 × 303,234.32
  4. Step 4: Simplify right side
    782,781.92x = 355,937,269,613.35
  5. Step 5: Solve for x
    x = 355,937,269,613.35/782,781.92
  6. Step 6: Final answer
    x = 454,708.09

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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.