Home / 493,836.66-681,459.24-289,895.88

Finding the Fourth Proportional to 493,836.66, 681,459.24 and 289,895.88

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Solution

The fourth proportional to 493,836.66, 681,459.24 and 289,895.88 is: 400,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,836.66 : 681,459.24 = 289,895.88 : x
  2. Step 2: Convert to fraction form
    493,836.66/681,459.24 = 289,895.88/x
  3. Step 3: Cross multiply
    493,836.66x = 681,459.24 × 289,895.88
  4. Step 4: Simplify right side
    493,836.66x = 197,552,226,063.93
  5. Step 5: Solve for x
    x = 197,552,226,063.93/493,836.66
  6. Step 6: Final answer
    x = 400,035.56

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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.