Home / 803,929.64-1,109,425.86-441,390.62

Finding the Fourth Proportional to 803,929.64, 1,109,425.86 and 441,390.62

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Solution

The fourth proportional to 803,929.64, 1,109,425.86 and 441,390.62 is: 609,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,929.64 : 1,109,425.86 = 441,390.62 : x
  2. Step 2: Convert to fraction form
    803,929.64/1,109,425.86 = 441,390.62/x
  3. Step 3: Cross multiply
    803,929.64x = 1,109,425.86 × 441,390.62
  4. Step 4: Simplify right side
    803,929.64x = 489,690,168,189.43
  5. Step 5: Solve for x
    x = 489,690,168,189.43/803,929.64
  6. Step 6: Final answer
    x = 609,120.68

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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.