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Finding the Fourth Proportional to 493,469.70, 740,204.55 and 316,322.70

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Solution

The fourth proportional to 493,469.70, 740,204.55 and 316,322.70 is: 474,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,469.70 : 740,204.55 = 316,322.70 : x
  2. Step 2: Convert to fraction form
    493,469.70/740,204.55 = 316,322.70/x
  3. Step 3: Cross multiply
    493,469.70x = 740,204.55 × 316,322.70
  4. Step 4: Simplify right side
    493,469.70x = 234,143,501,808.29
  5. Step 5: Solve for x
    x = 234,143,501,808.29/493,469.70
  6. Step 6: Final answer
    x = 474,484.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.