Home / 684,637.04-1,026,655.96-324,910.98

Finding the Fourth Proportional to 684,637.04, 1,026,655.96 and 324,910.98

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Solution

The fourth proportional to 684,637.04, 1,026,655.96 and 324,910.98 is: 487,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,637.04 : 1,026,655.96 = 324,910.98 : x
  2. Step 2: Convert to fraction form
    684,637.04/1,026,655.96 = 324,910.98/x
  3. Step 3: Cross multiply
    684,637.04x = 1,026,655.96 × 324,910.98
  4. Step 4: Simplify right side
    684,637.04x = 333,571,794,086.44
  5. Step 5: Solve for x
    x = 333,571,794,086.44/684,637.04
  6. Step 6: Final answer
    x = 487,224.29

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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.