Home / 625,268.48-862,871.27-338,788.35

Finding the Fourth Proportional to 625,268.48, 862,871.27 and 338,788.35

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Solution

The fourth proportional to 625,268.48, 862,871.27 and 338,788.35 is: 467,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,268.48 : 862,871.27 = 338,788.35 : x
  2. Step 2: Convert to fraction form
    625,268.48/862,871.27 = 338,788.35/x
  3. Step 3: Cross multiply
    625,268.48x = 862,871.27 × 338,788.35
  4. Step 4: Simplify right side
    625,268.48x = 292,330,732,131.76
  5. Step 5: Solve for x
    x = 292,330,732,131.76/625,268.48
  6. Step 6: Final answer
    x = 467,528.34

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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.