Home / 680,625.46-1,020,307.29-301,344.04

Finding the Fourth Proportional to 680,625.46, 1,020,307.29 and 301,344.04

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Solution

The fourth proportional to 680,625.46, 1,020,307.29 and 301,344.04 is: 451,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,625.46 : 1,020,307.29 = 301,344.04 : x
  2. Step 2: Convert to fraction form
    680,625.46/1,020,307.29 = 301,344.04/x
  3. Step 3: Cross multiply
    680,625.46x = 1,020,307.29 × 301,344.04
  4. Step 4: Simplify right side
    680,625.46x = 307,463,520,810.05
  5. Step 5: Solve for x
    x = 307,463,520,810.05/680,625.46
  6. Step 6: Final answer
    x = 451,736.73

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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.