Home / 723,559.68-1,085,390.34-218,124.93

Finding the Fourth Proportional to 723,559.68, 1,085,390.34 and 218,124.93

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Solution

The fourth proportional to 723,559.68, 1,085,390.34 and 218,124.93 is: 327,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,559.68 : 1,085,390.34 = 218,124.93 : x
  2. Step 2: Convert to fraction form
    723,559.68/1,085,390.34 = 218,124.93/x
  3. Step 3: Cross multiply
    723,559.68x = 1,085,390.34 × 218,124.93
  4. Step 4: Simplify right side
    723,559.68x = 236,750,691,935.18
  5. Step 5: Solve for x
    x = 236,750,691,935.18/723,559.68
  6. Step 6: Final answer
    x = 327,202.72

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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.