Home / 668,851.29-1,003,604.99-313,894.17

Finding the Fourth Proportional to 668,851.29, 1,003,604.99 and 313,894.17

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Solution

The fourth proportional to 668,851.29, 1,003,604.99 and 313,894.17 is: 470,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,851.29 : 1,003,604.99 = 313,894.17 : x
  2. Step 2: Convert to fraction form
    668,851.29/1,003,604.99 = 313,894.17/x
  3. Step 3: Cross multiply
    668,851.29x = 1,003,604.99 × 313,894.17
  4. Step 4: Simplify right side
    668,851.29x = 315,025,753,774.44
  5. Step 5: Solve for x
    x = 315,025,753,774.44/668,851.29
  6. Step 6: Final answer
    x = 470,995.21

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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.