Home / 891,110.80-1,336,744.78-251,420.12

Finding the Fourth Proportional to 891,110.80, 1,336,744.78 and 251,420.12

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Solution

The fourth proportional to 891,110.80, 1,336,744.78 and 251,420.12 is: 377,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,110.80 : 1,336,744.78 = 251,420.12 : x
  2. Step 2: Convert to fraction form
    891,110.80/1,336,744.78 = 251,420.12/x
  3. Step 3: Cross multiply
    891,110.80x = 1,336,744.78 × 251,420.12
  4. Step 4: Simplify right side
    891,110.80x = 336,084,532,996.97
  5. Step 5: Solve for x
    x = 336,084,532,996.97/891,110.80
  6. Step 6: Final answer
    x = 377,152.35

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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.