Home / 454,268.94-626,891.15-263,393.05

Finding the Fourth Proportional to 454,268.94, 626,891.15 and 263,393.05

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Solution

The fourth proportional to 454,268.94, 626,891.15 and 263,393.05 is: 363,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,268.94 : 626,891.15 = 263,393.05 : x
  2. Step 2: Convert to fraction form
    454,268.94/626,891.15 = 263,393.05/x
  3. Step 3: Cross multiply
    454,268.94x = 626,891.15 × 263,393.05
  4. Step 4: Simplify right side
    454,268.94x = 165,118,772,016.51
  5. Step 5: Solve for x
    x = 165,118,772,016.51/454,268.94
  6. Step 6: Final answer
    x = 363,482.42

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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.