Home / 784,763.25-1,177,155.95-223,797.75

Finding the Fourth Proportional to 784,763.25, 1,177,155.95 and 223,797.75

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Solution

The fourth proportional to 784,763.25, 1,177,155.95 and 223,797.75 is: 335,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,763.25 : 1,177,155.95 = 223,797.75 : x
  2. Step 2: Convert to fraction form
    784,763.25/1,177,155.95 = 223,797.75/x
  3. Step 3: Cross multiply
    784,763.25x = 1,177,155.95 × 223,797.75
  4. Step 4: Simplify right side
    784,763.25x = 263,444,851,890.12
  5. Step 5: Solve for x
    x = 263,444,851,890.12/784,763.25
  6. Step 6: Final answer
    x = 335,699.78

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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.