Home / 840,842.56-1,160,387.22-458,894.08

Finding the Fourth Proportional to 840,842.56, 1,160,387.22 and 458,894.08

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Solution

The fourth proportional to 840,842.56, 1,160,387.22 and 458,894.08 is: 633,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,842.56 : 1,160,387.22 = 458,894.08 : x
  2. Step 2: Convert to fraction form
    840,842.56/1,160,387.22 = 458,894.08/x
  3. Step 3: Cross multiply
    840,842.56x = 1,160,387.22 × 458,894.08
  4. Step 4: Simplify right side
    840,842.56x = 532,494,825,765.66
  5. Step 5: Solve for x
    x = 532,494,825,765.66/840,842.56
  6. Step 6: Final answer
    x = 633,287.19

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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.