Home / 454,378.20-627,016.32-250,428.51

Finding the Fourth Proportional to 454,378.20, 627,016.32 and 250,428.51

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Solution

The fourth proportional to 454,378.20, 627,016.32 and 250,428.51 is: 345,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,378.20 : 627,016.32 = 250,428.51 : x
  2. Step 2: Convert to fraction form
    454,378.20/627,016.32 = 250,428.51/x
  3. Step 3: Cross multiply
    454,378.20x = 627,016.32 × 250,428.51
  4. Step 4: Simplify right side
    454,378.20x = 157,022,762,763.28
  5. Step 5: Solve for x
    x = 157,022,762,763.28/454,378.20
  6. Step 6: Final answer
    x = 345,577.24

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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.