Home / 625,055.20-862,514.40-349,361.44

Finding the Fourth Proportional to 625,055.20, 862,514.40 and 349,361.44

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Solution

The fourth proportional to 625,055.20, 862,514.40 and 349,361.44 is: 482,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,055.20 : 862,514.40 = 349,361.44 : x
  2. Step 2: Convert to fraction form
    625,055.20/862,514.40 = 349,361.44/x
  3. Step 3: Cross multiply
    625,055.20x = 862,514.40 × 349,361.44
  4. Step 4: Simplify right side
    625,055.20x = 301,329,272,804.74
  5. Step 5: Solve for x
    x = 301,329,272,804.74/625,055.20
  6. Step 6: Final answer
    x = 482,084.26

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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.