Home / 499,353.01-689,107.03-272,998.51

Finding the Fourth Proportional to 499,353.01, 689,107.03 and 272,998.51

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Solution

The fourth proportional to 499,353.01, 689,107.03 and 272,998.51 is: 376,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,353.01 : 689,107.03 = 272,998.51 : x
  2. Step 2: Convert to fraction form
    499,353.01/689,107.03 = 272,998.51/x
  3. Step 3: Cross multiply
    499,353.01x = 689,107.03 × 272,998.51
  4. Step 4: Simplify right side
    499,353.01x = 188,125,192,420.53
  5. Step 5: Solve for x
    x = 188,125,192,420.53/499,353.01
  6. Step 6: Final answer
    x = 376,737.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.