Home / 485,481.04-669,966.92-270,634.64

Finding the Fourth Proportional to 485,481.04, 669,966.92 and 270,634.64

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Solution

The fourth proportional to 485,481.04, 669,966.92 and 270,634.64 is: 373,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,481.04 : 669,966.92 = 270,634.64 : x
  2. Step 2: Convert to fraction form
    485,481.04/669,966.92 = 270,634.64/x
  3. Step 3: Cross multiply
    485,481.04x = 669,966.92 × 270,634.64
  4. Step 4: Simplify right side
    485,481.04x = 181,316,256,206.11
  5. Step 5: Solve for x
    x = 181,316,256,206.11/485,481.04
  6. Step 6: Final answer
    x = 373,477.52

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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.