Home / 784,789-1,177,194.60-223,823.50

Finding the Fourth Proportional to 784,789, 1,177,194.60 and 223,823.50

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Solution

The fourth proportional to 784,789, 1,177,194.60 and 223,823.50 is: 335,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,789 : 1,177,194.60 = 223,823.50 : x
  2. Step 2: Convert to fraction form
    784,789/1,177,194.60 = 223,823.50/x
  3. Step 3: Cross multiply
    784,789x = 1,177,194.60 × 223,823.50
  4. Step 4: Simplify right side
    784,789x = 263,483,815,553.10
  5. Step 5: Solve for x
    x = 263,483,815,553.10/784,789
  6. Step 6: Final answer
    x = 335,738.42

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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.