Home / 436,643.28-602,519.52-245,653.44

Finding the Fourth Proportional to 436,643.28, 602,519.52 and 245,653.44

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Solution

The fourth proportional to 436,643.28, 602,519.52 and 245,653.44 is: 338,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,643.28 : 602,519.52 = 245,653.44 : x
  2. Step 2: Convert to fraction form
    436,643.28/602,519.52 = 245,653.44/x
  3. Step 3: Cross multiply
    436,643.28x = 602,519.52 × 245,653.44
  4. Step 4: Simplify right side
    436,643.28x = 148,010,992,755.15
  5. Step 5: Solve for x
    x = 148,010,992,755.15/436,643.28
  6. Step 6: Final answer
    x = 338,974.63

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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.