Home / 650,588.04-976,115.43-290,728.73

Finding the Fourth Proportional to 650,588.04, 976,115.43 and 290,728.73

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Solution

The fourth proportional to 650,588.04, 976,115.43 and 290,728.73 is: 436,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,588.04 : 976,115.43 = 290,728.73 : x
  2. Step 2: Convert to fraction form
    650,588.04/976,115.43 = 290,728.73/x
  3. Step 3: Cross multiply
    650,588.04x = 976,115.43 × 290,728.73
  4. Step 4: Simplify right side
    650,588.04x = 283,784,794,416.73
  5. Step 5: Solve for x
    x = 283,784,794,416.73/650,588.04
  6. Step 6: Final answer
    x = 436,197.37

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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.