Home / 626,375.24-864,400.22-339,895.32

Finding the Fourth Proportional to 626,375.24, 864,400.22 and 339,895.32

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Solution

The fourth proportional to 626,375.24, 864,400.22 and 339,895.32 is: 469,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,375.24 : 864,400.22 = 339,895.32 : x
  2. Step 2: Convert to fraction form
    626,375.24/864,400.22 = 339,895.32/x
  3. Step 3: Cross multiply
    626,375.24x = 864,400.22 × 339,895.32
  4. Step 4: Simplify right side
    626,375.24x = 293,805,589,384.97
  5. Step 5: Solve for x
    x = 293,805,589,384.97/626,375.24
  6. Step 6: Final answer
    x = 469,056.84

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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.