Home / 788,503.20-1,182,625.36-219,923

Finding the Fourth Proportional to 788,503.20, 1,182,625.36 and 219,923

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Solution

The fourth proportional to 788,503.20, 1,182,625.36 and 219,923 is: 329,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,503.20 : 1,182,625.36 = 219,923 : x
  2. Step 2: Convert to fraction form
    788,503.20/1,182,625.36 = 219,923/x
  3. Step 3: Cross multiply
    788,503.20x = 1,182,625.36 × 219,923
  4. Step 4: Simplify right side
    788,503.20x = 260,086,517,047.28
  5. Step 5: Solve for x
    x = 260,086,517,047.28/788,503.20
  6. Step 6: Final answer
    x = 329,848.40

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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.