Home / 698,727.27-1,048,091.15-218,992.29

Finding the Fourth Proportional to 698,727.27, 1,048,091.15 and 218,992.29

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Solution

The fourth proportional to 698,727.27, 1,048,091.15 and 218,992.29 is: 328,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,727.27 : 1,048,091.15 = 218,992.29 : x
  2. Step 2: Convert to fraction form
    698,727.27/1,048,091.15 = 218,992.29/x
  3. Step 3: Cross multiply
    698,727.27x = 1,048,091.15 × 218,992.29
  4. Step 4: Simplify right side
    698,727.27x = 229,523,883,902.61
  5. Step 5: Solve for x
    x = 229,523,883,902.61/698,727.27
  6. Step 6: Final answer
    x = 328,488.52

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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.