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Finding the Fourth Proportional to 626,406.94, 864,422.04 and 350,765.56

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Solution

The fourth proportional to 626,406.94, 864,422.04 and 350,765.56 is: 484,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,406.94 : 864,422.04 = 350,765.56 : x
  2. Step 2: Convert to fraction form
    626,406.94/864,422.04 = 350,765.56/x
  3. Step 3: Cross multiply
    626,406.94x = 864,422.04 × 350,765.56
  4. Step 4: Simplify right side
    626,406.94x = 303,209,480,936.94
  5. Step 5: Solve for x
    x = 303,209,480,936.94/626,406.94
  6. Step 6: Final answer
    x = 484,045.53

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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.