Home / 626,529.24-864,611.18-340,049.36

Finding the Fourth Proportional to 626,529.24, 864,611.18 and 340,049.36

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Solution

The fourth proportional to 626,529.24, 864,611.18 and 340,049.36 is: 469,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,529.24 : 864,611.18 = 340,049.36 : x
  2. Step 2: Convert to fraction form
    626,529.24/864,611.18 = 340,049.36/x
  3. Step 3: Cross multiply
    626,529.24x = 864,611.18 × 340,049.36
  4. Step 4: Simplify right side
    626,529.24x = 294,010,476,707.60
  5. Step 5: Solve for x
    x = 294,010,476,707.60/626,529.24
  6. Step 6: Final answer
    x = 469,268.56

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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.