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Finding the Fourth Proportional to 475,777.33, 713,797.72 and 219,688.05

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Solution

The fourth proportional to 475,777.33, 713,797.72 and 219,688.05 is: 329,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,777.33 : 713,797.72 = 219,688.05 : x
  2. Step 2: Convert to fraction form
    475,777.33/713,797.72 = 219,688.05/x
  3. Step 3: Cross multiply
    475,777.33x = 713,797.72 × 219,688.05
  4. Step 4: Simplify right side
    475,777.33x = 156,812,828,652.03
  5. Step 5: Solve for x
    x = 156,812,828,652.03/475,777.33
  6. Step 6: Final answer
    x = 329,592.90

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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.