Home / 835,619.48-1,153,159.59-491,469.92

Finding the Fourth Proportional to 835,619.48, 1,153,159.59 and 491,469.92

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Solution

The fourth proportional to 835,619.48, 1,153,159.59 and 491,469.92 is: 678,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,619.48 : 1,153,159.59 = 491,469.92 : x
  2. Step 2: Convert to fraction form
    835,619.48/1,153,159.59 = 491,469.92/x
  3. Step 3: Cross multiply
    835,619.48x = 1,153,159.59 × 491,469.92
  4. Step 4: Simplify right side
    835,619.48x = 566,743,250,003.08
  5. Step 5: Solve for x
    x = 566,743,250,003.08/835,619.48
  6. Step 6: Final answer
    x = 678,231.26

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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.