Home / 825,720.48-1,238,282.64-352,438.56

Finding the Fourth Proportional to 825,720.48, 1,238,282.64 and 352,438.56

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Solution

The fourth proportional to 825,720.48, 1,238,282.64 and 352,438.56 is: 528,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,720.48 : 1,238,282.64 = 352,438.56 : x
  2. Step 2: Convert to fraction form
    825,720.48/1,238,282.64 = 352,438.56/x
  3. Step 3: Cross multiply
    825,720.48x = 1,238,282.64 × 352,438.56
  4. Step 4: Simplify right side
    825,720.48x = 436,418,550,514.60
  5. Step 5: Solve for x
    x = 436,418,550,514.60/825,720.48
  6. Step 6: Final answer
    x = 528,530.61

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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.