Home / 674,955.20-1,012,821.60-254,532.80

Finding the Fourth Proportional to 674,955.20, 1,012,821.60 and 254,532.80

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Solution

The fourth proportional to 674,955.20, 1,012,821.60 and 254,532.80 is: 381,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,955.20 : 1,012,821.60 = 254,532.80 : x
  2. Step 2: Convert to fraction form
    674,955.20/1,012,821.60 = 254,532.80/x
  3. Step 3: Cross multiply
    674,955.20x = 1,012,821.60 × 254,532.80
  4. Step 4: Simplify right side
    674,955.20x = 257,796,317,748.48
  5. Step 5: Solve for x
    x = 257,796,317,748.48/674,955.20
  6. Step 6: Final answer
    x = 381,945.82

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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.