Home / 680,615.46-1,020,292.30-301,334.07

Finding the Fourth Proportional to 680,615.46, 1,020,292.30 and 301,334.07

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Solution

The fourth proportional to 680,615.46, 1,020,292.30 and 301,334.07 is: 451,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,615.46 : 1,020,292.30 = 301,334.07 : x
  2. Step 2: Convert to fraction form
    680,615.46/1,020,292.30 = 301,334.07/x
  3. Step 3: Cross multiply
    680,615.46x = 1,020,292.30 × 301,334.07
  4. Step 4: Simplify right side
    680,615.46x = 307,448,835,551.43
  5. Step 5: Solve for x
    x = 307,448,835,551.43/680,615.46
  6. Step 6: Final answer
    x = 451,721.79

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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.