Home / 626,719.88-864,882.42-340,240.52

Finding the Fourth Proportional to 626,719.88, 864,882.42 and 340,240.52

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Solution

The fourth proportional to 626,719.88, 864,882.42 and 340,240.52 is: 469,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,719.88 : 864,882.42 = 340,240.52 : x
  2. Step 2: Convert to fraction form
    626,719.88/864,882.42 = 340,240.52/x
  3. Step 3: Cross multiply
    626,719.88x = 864,882.42 × 340,240.52
  4. Step 4: Simplify right side
    626,719.88x = 294,268,044,319.66
  5. Step 5: Solve for x
    x = 294,268,044,319.66/626,719.88
  6. Step 6: Final answer
    x = 469,536.80

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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.