Home / 485,434.69-669,922.86-270,576.52

Finding the Fourth Proportional to 485,434.69, 669,922.86 and 270,576.52

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Solution

The fourth proportional to 485,434.69, 669,922.86 and 270,576.52 is: 373,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,434.69 : 669,922.86 = 270,576.52 : x
  2. Step 2: Convert to fraction form
    485,434.69/669,922.86 = 270,576.52/x
  3. Step 3: Cross multiply
    485,434.69x = 669,922.86 × 270,576.52
  4. Step 4: Simplify right side
    485,434.69x = 181,265,396,127.25
  5. Step 5: Solve for x
    x = 181,265,396,127.25/485,434.69
  6. Step 6: Final answer
    x = 373,408.41

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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.