Home / 727,674.68-1,004,191.62-405,385.54

Finding the Fourth Proportional to 727,674.68, 1,004,191.62 and 405,385.54

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Solution

The fourth proportional to 727,674.68, 1,004,191.62 and 405,385.54 is: 559,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,674.68 : 1,004,191.62 = 405,385.54 : x
  2. Step 2: Convert to fraction form
    727,674.68/1,004,191.62 = 405,385.54/x
  3. Step 3: Cross multiply
    727,674.68x = 1,004,191.62 × 405,385.54
  4. Step 4: Simplify right side
    727,674.68x = 407,084,762,137.18
  5. Step 5: Solve for x
    x = 407,084,762,137.18/727,674.68
  6. Step 6: Final answer
    x = 559,432.36

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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.