Home / 626,759.12-939,939.24-205,937.84

Finding the Fourth Proportional to 626,759.12, 939,939.24 and 205,937.84

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Solution

The fourth proportional to 626,759.12, 939,939.24 and 205,937.84 is: 308,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,759.12 : 939,939.24 = 205,937.84 : x
  2. Step 2: Convert to fraction form
    626,759.12/939,939.24 = 205,937.84/x
  3. Step 3: Cross multiply
    626,759.12x = 939,939.24 × 205,937.84
  4. Step 4: Simplify right side
    626,759.12x = 193,569,056,816.84
  5. Step 5: Solve for x
    x = 193,569,056,816.84/626,759.12
  6. Step 6: Final answer
    x = 308,841.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.