Home / 769,993.07-1,062,630.23-443,354.54

Finding the Fourth Proportional to 769,993.07, 1,062,630.23 and 443,354.54

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Solution

The fourth proportional to 769,993.07, 1,062,630.23 and 443,354.54 is: 611,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,993.07 : 1,062,630.23 = 443,354.54 : x
  2. Step 2: Convert to fraction form
    769,993.07/1,062,630.23 = 443,354.54/x
  3. Step 3: Cross multiply
    769,993.07x = 1,062,630.23 × 443,354.54
  4. Step 4: Simplify right side
    769,993.07x = 471,121,929,281.82
  5. Step 5: Solve for x
    x = 471,121,929,281.82/769,993.07
  6. Step 6: Final answer
    x = 611,852.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.