Home / 407,365.29-610,811.12-272,583.38

Finding the Fourth Proportional to 407,365.29, 610,811.12 and 272,583.38

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Solution

The fourth proportional to 407,365.29, 610,811.12 and 272,583.38 is: 408,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,365.29 : 610,811.12 = 272,583.38 : x
  2. Step 2: Convert to fraction form
    407,365.29/610,811.12 = 272,583.38/x
  3. Step 3: Cross multiply
    407,365.29x = 610,811.12 × 272,583.38
  4. Step 4: Simplify right side
    407,365.29x = 166,496,959,631.19
  5. Step 5: Solve for x
    x = 166,496,959,631.19/407,365.29
  6. Step 6: Final answer
    x = 408,716.61

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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.