Home / 901,212.39-1,352,284.56-396,127.98

Finding the Fourth Proportional to 901,212.39, 1,352,284.56 and 396,127.98

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Solution

The fourth proportional to 901,212.39, 1,352,284.56 and 396,127.98 is: 594,396.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,212.39 : 1,352,284.56 = 396,127.98 : x
  2. Step 2: Convert to fraction form
    901,212.39/1,352,284.56 = 396,127.98/x
  3. Step 3: Cross multiply
    901,212.39x = 1,352,284.56 × 396,127.98
  4. Step 4: Simplify right side
    901,212.39x = 535,677,751,137.99
  5. Step 5: Solve for x
    x = 535,677,751,137.99/901,212.39
  6. Step 6: Final answer
    x = 594,396.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.