Home / 658,277.44-987,416.14-231,712.80

Finding the Fourth Proportional to 658,277.44, 987,416.14 and 231,712.80

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Solution

The fourth proportional to 658,277.44, 987,416.14 and 231,712.80 is: 347,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,277.44 : 987,416.14 = 231,712.80 : x
  2. Step 2: Convert to fraction form
    658,277.44/987,416.14 = 231,712.80/x
  3. Step 3: Cross multiply
    658,277.44x = 987,416.14 × 231,712.80
  4. Step 4: Simplify right side
    658,277.44x = 228,796,958,564.59
  5. Step 5: Solve for x
    x = 228,796,958,564.59/658,277.44
  6. Step 6: Final answer
    x = 347,569.19

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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.