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Finding the Fourth Proportional to 454,698.98, 627,476.30 and 250,768.76

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Solution

The fourth proportional to 454,698.98, 627,476.30 and 250,768.76 is: 346,056.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,698.98 : 627,476.30 = 250,768.76 : x
  2. Step 2: Convert to fraction form
    454,698.98/627,476.30 = 250,768.76/x
  3. Step 3: Cross multiply
    454,698.98x = 627,476.30 × 250,768.76
  4. Step 4: Simplify right side
    454,698.98x = 157,351,453,680.39
  5. Step 5: Solve for x
    x = 157,351,453,680.39/454,698.98
  6. Step 6: Final answer
    x = 346,056.32

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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.