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Finding the Fourth Proportional to 707,998.80, 1,060,831.80 and 603,022.80

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Solution

The fourth proportional to 707,998.80, 1,060,831.80 and 603,022.80 is: 903,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,998.80 : 1,060,831.80 = 603,022.80 : x
  2. Step 2: Convert to fraction form
    707,998.80/1,060,831.80 = 603,022.80/x
  3. Step 3: Cross multiply
    707,998.80x = 1,060,831.80 × 603,022.80
  4. Step 4: Simplify right side
    707,998.80x = 639,705,762,365.04
  5. Step 5: Solve for x
    x = 639,705,762,365.04/707,998.80
  6. Step 6: Final answer
    x = 903,540.74

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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.