Home / 748,094.40-1,121,922.90-268,266.60

Finding the Fourth Proportional to 748,094.40, 1,121,922.90 and 268,266.60

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Solution

The fourth proportional to 748,094.40, 1,121,922.90 and 268,266.60 is: 402,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,094.40 : 1,121,922.90 = 268,266.60 : x
  2. Step 2: Convert to fraction form
    748,094.40/1,121,922.90 = 268,266.60/x
  3. Step 3: Cross multiply
    748,094.40x = 1,121,922.90 × 268,266.60
  4. Step 4: Simplify right side
    748,094.40x = 300,974,441,845.14
  5. Step 5: Solve for x
    x = 300,974,441,845.14/748,094.40
  6. Step 6: Final answer
    x = 402,321.47

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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.