Home / 803,540.35-1,108,894.05-440,987.69

Finding the Fourth Proportional to 803,540.35, 1,108,894.05 and 440,987.69

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Solution

The fourth proportional to 803,540.35, 1,108,894.05 and 440,987.69 is: 608,567.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,540.35 : 1,108,894.05 = 440,987.69 : x
  2. Step 2: Convert to fraction form
    803,540.35/1,108,894.05 = 440,987.69/x
  3. Step 3: Cross multiply
    803,540.35x = 1,108,894.05 × 440,987.69
  4. Step 4: Simplify right side
    803,540.35x = 489,008,628,336.48
  5. Step 5: Solve for x
    x = 489,008,628,336.48/803,540.35
  6. Step 6: Final answer
    x = 608,567.61

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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.