Home / 803,980.26-1,109,523.96-441,419.40

Finding the Fourth Proportional to 803,980.26, 1,109,523.96 and 441,419.40

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Solution

The fourth proportional to 803,980.26, 1,109,523.96 and 441,419.40 is: 609,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,980.26 : 1,109,523.96 = 441,419.40 : x
  2. Step 2: Convert to fraction form
    803,980.26/1,109,523.96 = 441,419.40/x
  3. Step 3: Cross multiply
    803,980.26x = 1,109,523.96 × 441,419.40
  4. Step 4: Simplify right side
    803,980.26x = 489,765,400,708.82
  5. Step 5: Solve for x
    x = 489,765,400,708.82/803,980.26
  6. Step 6: Final answer
    x = 609,175.90

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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.