Home / 748,394.75-1,122,079.72-268,611.90

Finding the Fourth Proportional to 748,394.75, 1,122,079.72 and 268,611.90

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Solution

The fourth proportional to 748,394.75, 1,122,079.72 and 268,611.90 is: 402,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,394.75 : 1,122,079.72 = 268,611.90 : x
  2. Step 2: Convert to fraction form
    748,394.75/1,122,079.72 = 268,611.90/x
  3. Step 3: Cross multiply
    748,394.75x = 1,122,079.72 × 268,611.90
  4. Step 4: Simplify right side
    748,394.75x = 301,403,965,540.67
  5. Step 5: Solve for x
    x = 301,403,965,540.67/748,394.75
  6. Step 6: Final answer
    x = 402,733.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.