Home / 626,843.24-864,922.02-372,274.28

Finding the Fourth Proportional to 626,843.24, 864,922.02 and 372,274.28

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Solution

The fourth proportional to 626,843.24, 864,922.02 and 372,274.28 is: 513,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,843.24 : 864,922.02 = 372,274.28 : x
  2. Step 2: Convert to fraction form
    626,843.24/864,922.02 = 372,274.28/x
  3. Step 3: Cross multiply
    626,843.24x = 864,922.02 × 372,274.28
  4. Step 4: Simplify right side
    626,843.24x = 321,988,222,251.65
  5. Step 5: Solve for x
    x = 321,988,222,251.65/626,843.24
  6. Step 6: Final answer
    x = 513,666.26

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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.