Home / 803,540.48-1,108,899.59-440,998.04

Finding the Fourth Proportional to 803,540.48, 1,108,899.59 and 440,998.04

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Solution

The fourth proportional to 803,540.48, 1,108,899.59 and 440,998.04 is: 608,584.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,540.48 : 1,108,899.59 = 440,998.04 : x
  2. Step 2: Convert to fraction form
    803,540.48/1,108,899.59 = 440,998.04/x
  3. Step 3: Cross multiply
    803,540.48x = 1,108,899.59 × 440,998.04
  4. Step 4: Simplify right side
    803,540.48x = 489,022,546,314.06
  5. Step 5: Solve for x
    x = 489,022,546,314.06/803,540.48
  6. Step 6: Final answer
    x = 608,584.83

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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.