Home / 698,910.36-1,048,365.56-225,665.44

Finding the Fourth Proportional to 698,910.36, 1,048,365.56 and 225,665.44

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Solution

The fourth proportional to 698,910.36, 1,048,365.56 and 225,665.44 is: 338,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,910.36 : 1,048,365.56 = 225,665.44 : x
  2. Step 2: Convert to fraction form
    698,910.36/1,048,365.56 = 225,665.44/x
  3. Step 3: Cross multiply
    698,910.36x = 1,048,365.56 × 225,665.44
  4. Step 4: Simplify right side
    698,910.36x = 236,579,875,378.25
  5. Step 5: Solve for x
    x = 236,579,875,378.25/698,910.36
  6. Step 6: Final answer
    x = 338,498.17

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Double scale
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Similar ratio
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1.5x scale

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.