Home / 804,705.40-1,207,220.10-236,085.40

Finding the Fourth Proportional to 804,705.40, 1,207,220.10 and 236,085.40

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Solution

The fourth proportional to 804,705.40, 1,207,220.10 and 236,085.40 is: 354,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,705.40 : 1,207,220.10 = 236,085.40 : x
  2. Step 2: Convert to fraction form
    804,705.40/1,207,220.10 = 236,085.40/x
  3. Step 3: Cross multiply
    804,705.40x = 1,207,220.10 × 236,085.40
  4. Step 4: Simplify right side
    804,705.40x = 285,007,040,196.54
  5. Step 5: Solve for x
    x = 285,007,040,196.54/804,705.40
  6. Step 6: Final answer
    x = 354,175.63

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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.