Home / 782,781.90-1,173,802.72-303,234.30

Finding the Fourth Proportional to 782,781.90, 1,173,802.72 and 303,234.30

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Solution

The fourth proportional to 782,781.90, 1,173,802.72 and 303,234.30 is: 454,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,781.90 : 1,173,802.72 = 303,234.30 : x
  2. Step 2: Convert to fraction form
    782,781.90/1,173,802.72 = 303,234.30/x
  3. Step 3: Cross multiply
    782,781.90x = 1,173,802.72 × 303,234.30
  4. Step 4: Simplify right side
    782,781.90x = 355,937,246,137.30
  5. Step 5: Solve for x
    x = 355,937,246,137.30/782,781.90
  6. Step 6: Final answer
    x = 454,708.07

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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.