Home / 840,113.46-1,259,790.30-240,937.02

Finding the Fourth Proportional to 840,113.46, 1,259,790.30 and 240,937.02

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Solution

The fourth proportional to 840,113.46, 1,259,790.30 and 240,937.02 is: 361,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,113.46 : 1,259,790.30 = 240,937.02 : x
  2. Step 2: Convert to fraction form
    840,113.46/1,259,790.30 = 240,937.02/x
  3. Step 3: Cross multiply
    840,113.46x = 1,259,790.30 × 240,937.02
  4. Step 4: Simplify right side
    840,113.46x = 303,530,120,706.91
  5. Step 5: Solve for x
    x = 303,530,120,706.91/840,113.46
  6. Step 6: Final answer
    x = 361,296.58

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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.