Home / 727,614.96-1,004,043.51-405,318.15

Finding the Fourth Proportional to 727,614.96, 1,004,043.51 and 405,318.15

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Solution

The fourth proportional to 727,614.96, 1,004,043.51 and 405,318.15 is: 559,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,614.96 : 1,004,043.51 = 405,318.15 : x
  2. Step 2: Convert to fraction form
    727,614.96/1,004,043.51 = 405,318.15/x
  3. Step 3: Cross multiply
    727,614.96x = 1,004,043.51 × 405,318.15
  4. Step 4: Simplify right side
    727,614.96x = 406,957,057,992.71
  5. Step 5: Solve for x
    x = 406,957,057,992.71/727,614.96
  6. Step 6: Final answer
    x = 559,302.76

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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.