Home / 720,243.42-1,080,365.61-187,763.10

Finding the Fourth Proportional to 720,243.42, 1,080,365.61 and 187,763.10

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Solution

The fourth proportional to 720,243.42, 1,080,365.61 and 187,763.10 is: 281,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,243.42 : 1,080,365.61 = 187,763.10 : x
  2. Step 2: Convert to fraction form
    720,243.42/1,080,365.61 = 187,763.10/x
  3. Step 3: Cross multiply
    720,243.42x = 1,080,365.61 × 187,763.10
  4. Step 4: Simplify right side
    720,243.42x = 202,852,796,066.99
  5. Step 5: Solve for x
    x = 202,852,796,066.99/720,243.42
  6. Step 6: Final answer
    x = 281,644.78

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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.