Home / 626,422.68-864,463.27-339,942.77

Finding the Fourth Proportional to 626,422.68, 864,463.27 and 339,942.77

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Solution

The fourth proportional to 626,422.68, 864,463.27 and 339,942.77 is: 469,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,422.68 : 864,463.27 = 339,942.77 : x
  2. Step 2: Convert to fraction form
    626,422.68/864,463.27 = 339,942.77/x
  3. Step 3: Cross multiply
    626,422.68x = 864,463.27 × 339,942.77
  4. Step 4: Simplify right side
    626,422.68x = 293,868,039,532.28
  5. Step 5: Solve for x
    x = 293,868,039,532.28/626,422.68
  6. Step 6: Final answer
    x = 469,121.01

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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.