Home / 880,768.80-1,321,153.20-731,307.60

Finding the Fourth Proportional to 880,768.80, 1,321,153.20 and 731,307.60

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Solution

The fourth proportional to 880,768.80, 1,321,153.20 and 731,307.60 is: 1,096,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,768.80 : 1,321,153.20 = 731,307.60 : x
  2. Step 2: Convert to fraction form
    880,768.80/1,321,153.20 = 731,307.60/x
  3. Step 3: Cross multiply
    880,768.80x = 1,321,153.20 × 731,307.60
  4. Step 4: Simplify right side
    880,768.80x = 966,169,375,924.32
  5. Step 5: Solve for x
    x = 966,169,375,924.32/880,768.80
  6. Step 6: Final answer
    x = 1,096,961.40

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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.