Home / 681,750.60-1,022,744.70-282,172.20

Finding the Fourth Proportional to 681,750.60, 1,022,744.70 and 282,172.20

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Solution

The fourth proportional to 681,750.60, 1,022,744.70 and 282,172.20 is: 423,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,750.60 : 1,022,744.70 = 282,172.20 : x
  2. Step 2: Convert to fraction form
    681,750.60/1,022,744.70 = 282,172.20/x
  3. Step 3: Cross multiply
    681,750.60x = 1,022,744.70 × 282,172.20
  4. Step 4: Simplify right side
    681,750.60x = 288,590,122,037.34
  5. Step 5: Solve for x
    x = 288,590,122,037.34/681,750.60
  6. Step 6: Final answer
    x = 423,307.47

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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.