Home / 803,984.07-1,109,448.31-441,405.91

Finding the Fourth Proportional to 803,984.07, 1,109,448.31 and 441,405.91

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Solution

The fourth proportional to 803,984.07, 1,109,448.31 and 441,405.91 is: 609,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,984.07 : 1,109,448.31 = 441,405.91 : x
  2. Step 2: Convert to fraction form
    803,984.07/1,109,448.31 = 441,405.91/x
  3. Step 3: Cross multiply
    803,984.07x = 1,109,448.31 × 441,405.91
  4. Step 4: Simplify right side
    803,984.07x = 489,717,033,119.24
  5. Step 5: Solve for x
    x = 489,717,033,119.24/803,984.07
  6. Step 6: Final answer
    x = 609,112.86

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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.