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Finding the Fourth Proportional to 794,881.60, 1,191,912.80 and 295,988.80

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Solution

The fourth proportional to 794,881.60, 1,191,912.80 and 295,988.80 is: 443,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,881.60 : 1,191,912.80 = 295,988.80 : x
  2. Step 2: Convert to fraction form
    794,881.60/1,191,912.80 = 295,988.80/x
  3. Step 3: Cross multiply
    794,881.60x = 1,191,912.80 × 295,988.80
  4. Step 4: Simplify right side
    794,881.60x = 352,792,839,376.64
  5. Step 5: Solve for x
    x = 352,792,839,376.64/794,881.60
  6. Step 6: Final answer
    x = 443,830.68

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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.