Home / 724,110.76-1,086,174.12-218,676.04

Finding the Fourth Proportional to 724,110.76, 1,086,174.12 and 218,676.04

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Solution

The fourth proportional to 724,110.76, 1,086,174.12 and 218,676.04 is: 328,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,110.76 : 1,086,174.12 = 218,676.04 : x
  2. Step 2: Convert to fraction form
    724,110.76/1,086,174.12 = 218,676.04/x
  3. Step 3: Cross multiply
    724,110.76x = 1,086,174.12 × 218,676.04
  4. Step 4: Simplify right side
    724,110.76x = 237,520,255,312.09
  5. Step 5: Solve for x
    x = 237,520,255,312.09/724,110.76
  6. Step 6: Final answer
    x = 328,016.47

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1.5x scale

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.