Home / 674,642.70-1,012,352.85-254,220.30

Finding the Fourth Proportional to 674,642.70, 1,012,352.85 and 254,220.30

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Solution

The fourth proportional to 674,642.70, 1,012,352.85 and 254,220.30 is: 381,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,642.70 : 1,012,352.85 = 254,220.30 : x
  2. Step 2: Convert to fraction form
    674,642.70/1,012,352.85 = 254,220.30/x
  3. Step 3: Cross multiply
    674,642.70x = 1,012,352.85 × 254,220.30
  4. Step 4: Simplify right side
    674,642.70x = 257,360,645,232.86
  5. Step 5: Solve for x
    x = 257,360,645,232.86/674,642.70
  6. Step 6: Final answer
    x = 381,476.96

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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.