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Finding the Fourth Proportional to 493,885.06, 681,595.50 and 300,368.37

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Solution

The fourth proportional to 493,885.06, 681,595.50 and 300,368.37 is: 414,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,885.06 : 681,595.50 = 300,368.37 : x
  2. Step 2: Convert to fraction form
    493,885.06/681,595.50 = 300,368.37/x
  3. Step 3: Cross multiply
    493,885.06x = 681,595.50 × 300,368.37
  4. Step 4: Simplify right side
    493,885.06x = 204,729,729,334.34
  5. Step 5: Solve for x
    x = 204,729,729,334.34/493,885.06
  6. Step 6: Final answer
    x = 414,529.10

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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.