Home / 454,427.91-627,107.40-250,479

Finding the Fourth Proportional to 454,427.91, 627,107.40 and 250,479

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Solution

The fourth proportional to 454,427.91, 627,107.40 and 250,479 is: 345,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,427.91 : 627,107.40 = 250,479 : x
  2. Step 2: Convert to fraction form
    454,427.91/627,107.40 = 250,479/x
  3. Step 3: Cross multiply
    454,427.91x = 627,107.40 × 250,479
  4. Step 4: Simplify right side
    454,427.91x = 157,077,234,444.60
  5. Step 5: Solve for x
    x = 157,077,234,444.60/454,427.91
  6. Step 6: Final answer
    x = 345,659.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.