Home / 662,593.32-993,983.94-213,209.79

Finding the Fourth Proportional to 662,593.32, 993,983.94 and 213,209.79

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Solution

The fourth proportional to 662,593.32, 993,983.94 and 213,209.79 is: 319,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,593.32 : 993,983.94 = 213,209.79 : x
  2. Step 2: Convert to fraction form
    662,593.32/993,983.94 = 213,209.79/x
  3. Step 3: Cross multiply
    662,593.32x = 993,983.94 × 213,209.79
  4. Step 4: Simplify right side
    662,593.32x = 211,927,107,110.77
  5. Step 5: Solve for x
    x = 211,927,107,110.77/662,593.32
  6. Step 6: Final answer
    x = 319,844.92

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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.