Home / 784,623.80-1,176,760.54-363,845

Finding the Fourth Proportional to 784,623.80, 1,176,760.54 and 363,845

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Solution

The fourth proportional to 784,623.80, 1,176,760.54 and 363,845 is: 545,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,623.80 : 1,176,760.54 = 363,845 : x
  2. Step 2: Convert to fraction form
    784,623.80/1,176,760.54 = 363,845/x
  3. Step 3: Cross multiply
    784,623.80x = 1,176,760.54 × 363,845
  4. Step 4: Simplify right side
    784,623.80x = 428,158,438,676.30
  5. Step 5: Solve for x
    x = 428,158,438,676.30/784,623.80
  6. Step 6: Final answer
    x = 545,686.27

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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.