Home / 456,816.72-684,773.05-216,508.28

Finding the Fourth Proportional to 456,816.72, 684,773.05 and 216,508.28

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Solution

The fourth proportional to 456,816.72, 684,773.05 and 216,508.28 is: 324,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,816.72 : 684,773.05 = 216,508.28 : x
  2. Step 2: Convert to fraction form
    456,816.72/684,773.05 = 216,508.28/x
  3. Step 3: Cross multiply
    456,816.72x = 684,773.05 × 216,508.28
  4. Step 4: Simplify right side
    456,816.72x = 148,259,035,245.85
  5. Step 5: Solve for x
    x = 148,259,035,245.85/456,816.72
  6. Step 6: Final answer
    x = 324,548.18

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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.