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Finding the Fourth Proportional to 666,125.35, 919,258.49 and 367,768.77

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Solution

The fourth proportional to 666,125.35, 919,258.49 and 367,768.77 is: 507,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,125.35 : 919,258.49 = 367,768.77 : x
  2. Step 2: Convert to fraction form
    666,125.35/919,258.49 = 367,768.77/x
  3. Step 3: Cross multiply
    666,125.35x = 919,258.49 × 367,768.77
  4. Step 4: Simplify right side
    666,125.35x = 338,074,564,179.36
  5. Step 5: Solve for x
    x = 338,074,564,179.36/666,125.35
  6. Step 6: Final answer
    x = 507,523.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.