Home / 787,788.44-1,181,706.95-307,997.09

Finding the Fourth Proportional to 787,788.44, 1,181,706.95 and 307,997.09

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Solution

The fourth proportional to 787,788.44, 1,181,706.95 and 307,997.09 is: 462,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,788.44 : 1,181,706.95 = 307,997.09 : x
  2. Step 2: Convert to fraction form
    787,788.44/1,181,706.95 = 307,997.09/x
  3. Step 3: Cross multiply
    787,788.44x = 1,181,706.95 × 307,997.09
  4. Step 4: Simplify right side
    787,788.44x = 363,962,301,832.78
  5. Step 5: Solve for x
    x = 363,962,301,832.78/787,788.44
  6. Step 6: Final answer
    x = 462,005.13

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Double scale
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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.