Home / 724,626.91-1,086,942.65-251,312.27

Finding the Fourth Proportional to 724,626.91, 1,086,942.65 and 251,312.27

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Solution

The fourth proportional to 724,626.91, 1,086,942.65 and 251,312.27 is: 376,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,626.91 : 1,086,942.65 = 251,312.27 : x
  2. Step 2: Convert to fraction form
    724,626.91/1,086,942.65 = 251,312.27/x
  3. Step 3: Cross multiply
    724,626.91x = 1,086,942.65 × 251,312.27
  4. Step 4: Simplify right side
    724,626.91x = 273,162,024,154.09
  5. Step 5: Solve for x
    x = 273,162,024,154.09/724,626.91
  6. Step 6: Final answer
    x = 376,969.20

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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.