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Finding the Fourth Proportional to 669,484.92, 923,885.46 and 363,558.36

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Solution

The fourth proportional to 669,484.92, 923,885.46 and 363,558.36 is: 501,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,484.92 : 923,885.46 = 363,558.36 : x
  2. Step 2: Convert to fraction form
    669,484.92/923,885.46 = 363,558.36/x
  3. Step 3: Cross multiply
    669,484.92x = 923,885.46 × 363,558.36
  4. Step 4: Simplify right side
    669,484.92x = 335,886,282,665.45
  5. Step 5: Solve for x
    x = 335,886,282,665.45/669,484.92
  6. Step 6: Final answer
    x = 501,708.51

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Double scale
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1.5x scale

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.