Home / 785,610.55-1,178,392.45-217,025.88

Finding the Fourth Proportional to 785,610.55, 1,178,392.45 and 217,025.88

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Solution

The fourth proportional to 785,610.55, 1,178,392.45 and 217,025.88 is: 325,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,610.55 : 1,178,392.45 = 217,025.88 : x
  2. Step 2: Convert to fraction form
    785,610.55/1,178,392.45 = 217,025.88/x
  3. Step 3: Cross multiply
    785,610.55x = 1,178,392.45 × 217,025.88
  4. Step 4: Simplify right side
    785,610.55x = 255,741,658,446.61
  5. Step 5: Solve for x
    x = 255,741,658,446.61/785,610.55
  6. Step 6: Final answer
    x = 325,532.36

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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.