Home / 479,936.32-720,037.98-210,016.36

Finding the Fourth Proportional to 479,936.32, 720,037.98 and 210,016.36

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Solution

The fourth proportional to 479,936.32, 720,037.98 and 210,016.36 is: 315,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,936.32 : 720,037.98 = 210,016.36 : x
  2. Step 2: Convert to fraction form
    479,936.32/720,037.98 = 210,016.36/x
  3. Step 3: Cross multiply
    479,936.32x = 720,037.98 × 210,016.36
  4. Step 4: Simplify right side
    479,936.32x = 151,219,755,621.35
  5. Step 5: Solve for x
    x = 151,219,755,621.35/479,936.32
  6. Step 6: Final answer
    x = 315,082.96

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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.