Home / 890,825.04-1,229,388.84-528,463.44

Finding the Fourth Proportional to 890,825.04, 1,229,388.84 and 528,463.44

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Solution

The fourth proportional to 890,825.04, 1,229,388.84 and 528,463.44 is: 729,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,825.04 : 1,229,388.84 = 528,463.44 : x
  2. Step 2: Convert to fraction form
    890,825.04/1,229,388.84 = 528,463.44/x
  3. Step 3: Cross multiply
    890,825.04x = 1,229,388.84 × 528,463.44
  4. Step 4: Simplify right side
    890,825.04x = 649,687,055,484.01
  5. Step 5: Solve for x
    x = 649,687,055,484.01/890,825.04
  6. Step 6: Final answer
    x = 729,309.38

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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.