Home / 451,788.58-623,473.05-247,839.90

Finding the Fourth Proportional to 451,788.58, 623,473.05 and 247,839.90

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Solution

The fourth proportional to 451,788.58, 623,473.05 and 247,839.90 is: 342,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,788.58 : 623,473.05 = 247,839.90 : x
  2. Step 2: Convert to fraction form
    451,788.58/623,473.05 = 247,839.90/x
  3. Step 3: Cross multiply
    451,788.58x = 623,473.05 × 247,839.90
  4. Step 4: Simplify right side
    451,788.58x = 154,521,498,364.70
  5. Step 5: Solve for x
    x = 154,521,498,364.70/451,788.58
  6. Step 6: Final answer
    x = 342,021.70

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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.