Home / 849,796.71-1,275,482.39-429,367.83

Finding the Fourth Proportional to 849,796.71, 1,275,482.39 and 429,367.83

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Solution

The fourth proportional to 849,796.71, 1,275,482.39 and 429,367.83 is: 644,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,796.71 : 1,275,482.39 = 429,367.83 : x
  2. Step 2: Convert to fraction form
    849,796.71/1,275,482.39 = 429,367.83/x
  3. Step 3: Cross multiply
    849,796.71x = 1,275,482.39 × 429,367.83
  4. Step 4: Simplify right side
    849,796.71x = 547,651,103,850.68
  5. Step 5: Solve for x
    x = 547,651,103,850.68/849,796.71
  6. Step 6: Final answer
    x = 644,449.55

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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.