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Finding the Fourth Proportional to 458,611.93, 632,863.13 and 254,675.75

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Solution

The fourth proportional to 458,611.93, 632,863.13 and 254,675.75 is: 351,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,611.93 : 632,863.13 = 254,675.75 : x
  2. Step 2: Convert to fraction form
    458,611.93/632,863.13 = 254,675.75/x
  3. Step 3: Cross multiply
    458,611.93x = 632,863.13 × 254,675.75
  4. Step 4: Simplify right side
    458,611.93x = 161,174,887,842.40
  5. Step 5: Solve for x
    x = 161,174,887,842.40/458,611.93
  6. Step 6: Final answer
    x = 351,440.68

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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.