Home / 727,614.36-1,004,138.10-405,324.44

Finding the Fourth Proportional to 727,614.36, 1,004,138.10 and 405,324.44

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Solution

The fourth proportional to 727,614.36, 1,004,138.10 and 405,324.44 is: 559,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,614.36 : 1,004,138.10 = 405,324.44 : x
  2. Step 2: Convert to fraction form
    727,614.36/1,004,138.10 = 405,324.44/x
  3. Step 3: Cross multiply
    727,614.36x = 1,004,138.10 × 405,324.44
  4. Step 4: Simplify right side
    727,614.36x = 407,001,713,065.16
  5. Step 5: Solve for x
    x = 407,001,713,065.16/727,614.36
  6. Step 6: Final answer
    x = 559,364.60

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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.