Home / 803,986.52-1,109,451.69-441,408.35

Finding the Fourth Proportional to 803,986.52, 1,109,451.69 and 441,408.35

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Solution

The fourth proportional to 803,986.52, 1,109,451.69 and 441,408.35 is: 609,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,986.52 : 1,109,451.69 = 441,408.35 : x
  2. Step 2: Convert to fraction form
    803,986.52/1,109,451.69 = 441,408.35/x
  3. Step 3: Cross multiply
    803,986.52x = 1,109,451.69 × 441,408.35
  4. Step 4: Simplify right side
    803,986.52x = 489,721,238,500.80
  5. Step 5: Solve for x
    x = 489,721,238,500.80/803,986.52
  6. Step 6: Final answer
    x = 609,116.23

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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.