Home / 705,242.88-1,057,831.48-172,735.72

Finding the Fourth Proportional to 705,242.88, 1,057,831.48 and 172,735.72

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Solution

The fourth proportional to 705,242.88, 1,057,831.48 and 172,735.72 is: 259,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,242.88 : 1,057,831.48 = 172,735.72 : x
  2. Step 2: Convert to fraction form
    705,242.88/1,057,831.48 = 172,735.72/x
  3. Step 3: Cross multiply
    705,242.88x = 1,057,831.48 × 172,735.72
  4. Step 4: Simplify right side
    705,242.88x = 182,725,282,336.47
  5. Step 5: Solve for x
    x = 182,725,282,336.47/705,242.88
  6. Step 6: Final answer
    x = 259,095.54

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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.