Home / 674,828.20-1,012,631.10-254,405.80

Finding the Fourth Proportional to 674,828.20, 1,012,631.10 and 254,405.80

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Solution

The fourth proportional to 674,828.20, 1,012,631.10 and 254,405.80 is: 381,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,828.20 : 1,012,631.10 = 254,405.80 : x
  2. Step 2: Convert to fraction form
    674,828.20/1,012,631.10 = 254,405.80/x
  3. Step 3: Cross multiply
    674,828.20x = 1,012,631.10 × 254,405.80
  4. Step 4: Simplify right side
    674,828.20x = 257,619,225,100.38
  5. Step 5: Solve for x
    x = 257,619,225,100.38/674,828.20
  6. Step 6: Final answer
    x = 381,755.28

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1.5x scale

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.