Home / 703,990.82-1,054,899.36-475,390.60

Finding the Fourth Proportional to 703,990.82, 1,054,899.36 and 475,390.60

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Solution

The fourth proportional to 703,990.82, 1,054,899.36 and 475,390.60 is: 712,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,990.82 : 1,054,899.36 = 475,390.60 : x
  2. Step 2: Convert to fraction form
    703,990.82/1,054,899.36 = 475,390.60/x
  3. Step 3: Cross multiply
    703,990.82x = 1,054,899.36 × 475,390.60
  4. Step 4: Simplify right side
    703,990.82x = 501,489,234,415.52
  5. Step 5: Solve for x
    x = 501,489,234,415.52/703,990.82
  6. Step 6: Final answer
    x = 712,351.95

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Double scale
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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.