Home / 674,866.20-1,012,688.10-254,443.80

Finding the Fourth Proportional to 674,866.20, 1,012,688.10 and 254,443.80

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Solution

The fourth proportional to 674,866.20, 1,012,688.10 and 254,443.80 is: 381,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,866.20 : 1,012,688.10 = 254,443.80 : x
  2. Step 2: Convert to fraction form
    674,866.20/1,012,688.10 = 254,443.80/x
  3. Step 3: Cross multiply
    674,866.20x = 1,012,688.10 × 254,443.80
  4. Step 4: Simplify right side
    674,866.20x = 257,672,208,378.78
  5. Step 5: Solve for x
    x = 257,672,208,378.78/674,866.20
  6. Step 6: Final answer
    x = 381,812.29

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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.