Home / 684,791.84-1,025,189.04-399,608.48

Finding the Fourth Proportional to 684,791.84, 1,025,189.04 and 399,608.48

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Solution

The fourth proportional to 684,791.84, 1,025,189.04 and 399,608.48 is: 598,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,791.84 : 1,025,189.04 = 399,608.48 : x
  2. Step 2: Convert to fraction form
    684,791.84/1,025,189.04 = 399,608.48/x
  3. Step 3: Cross multiply
    684,791.84x = 1,025,189.04 × 399,608.48
  4. Step 4: Simplify right side
    684,791.84x = 409,674,238,048.56
  5. Step 5: Solve for x
    x = 409,674,238,048.56/684,791.84
  6. Step 6: Final answer
    x = 598,246.38

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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.