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Finding the Fourth Proportional to 454,624.34, 627,258.51 and 258,388.07

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Solution

The fourth proportional to 454,624.34, 627,258.51 and 258,388.07 is: 356,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,624.34 : 627,258.51 = 258,388.07 : x
  2. Step 2: Convert to fraction form
    454,624.34/627,258.51 = 258,388.07/x
  3. Step 3: Cross multiply
    454,624.34x = 627,258.51 × 258,388.07
  4. Step 4: Simplify right side
    454,624.34x = 162,076,112,653.68
  5. Step 5: Solve for x
    x = 162,076,112,653.68/454,624.34
  6. Step 6: Final answer
    x = 356,505.58

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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.