Home / 724,152.27-1,086,236.39-218,717.55

Finding the Fourth Proportional to 724,152.27, 1,086,236.39 and 218,717.55

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Solution

The fourth proportional to 724,152.27, 1,086,236.39 and 218,717.55 is: 328,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,152.27 : 1,086,236.39 = 218,717.55 : x
  2. Step 2: Convert to fraction form
    724,152.27/1,086,236.39 = 218,717.55/x
  3. Step 3: Cross multiply
    724,152.27x = 1,086,236.39 × 218,717.55
  4. Step 4: Simplify right side
    724,152.27x = 237,578,960,848.06
  5. Step 5: Solve for x
    x = 237,578,960,848.06/724,152.27
  6. Step 6: Final answer
    x = 328,078.74

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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.