Home / 626,540.27-864,626.35-340,060.43

Finding the Fourth Proportional to 626,540.27, 864,626.35 and 340,060.43

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Solution

The fourth proportional to 626,540.27, 864,626.35 and 340,060.43 is: 469,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,540.27 : 864,626.35 = 340,060.43 : x
  2. Step 2: Convert to fraction form
    626,540.27/864,626.35 = 340,060.43/x
  3. Step 3: Cross multiply
    626,540.27x = 864,626.35 × 340,060.43
  4. Step 4: Simplify right side
    626,540.27x = 294,025,205,455.84
  5. Step 5: Solve for x
    x = 294,025,205,455.84/626,540.27
  6. Step 6: Final answer
    x = 469,283.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.