Home / 865,997.73-1,298,664.50-297,272.84

Finding the Fourth Proportional to 865,997.73, 1,298,664.50 and 297,272.84

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Solution

The fourth proportional to 865,997.73, 1,298,664.50 and 297,272.84 is: 445,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,997.73 : 1,298,664.50 = 297,272.84 : x
  2. Step 2: Convert to fraction form
    865,997.73/1,298,664.50 = 297,272.84/x
  3. Step 3: Cross multiply
    865,997.73x = 1,298,664.50 × 297,272.84
  4. Step 4: Simplify right side
    865,997.73x = 386,057,676,142.49
  5. Step 5: Solve for x
    x = 386,057,676,142.49/865,997.73
  6. Step 6: Final answer
    x = 445,795.25

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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.