Home / 803,990.18-1,109,456.73-441,412.00

Finding the Fourth Proportional to 803,990.18, 1,109,456.73 and 441,412.00

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Solution

The fourth proportional to 803,990.18, 1,109,456.73 and 441,412.00 is: 609,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,990.18 : 1,109,456.73 = 441,412.00 : x
  2. Step 2: Convert to fraction form
    803,990.18/1,109,456.73 = 441,412.00/x
  3. Step 3: Cross multiply
    803,990.18x = 1,109,456.73 × 441,412.00
  4. Step 4: Simplify right side
    803,990.18x = 489,727,511,329.12
  5. Step 5: Solve for x
    x = 489,727,511,329.12/803,990.18
  6. Step 6: Final answer
    x = 609,121.26

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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.