Home / 671,831.08-1,006,385.82-311,494.48

Finding the Fourth Proportional to 671,831.08, 1,006,385.82 and 311,494.48

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Solution

The fourth proportional to 671,831.08, 1,006,385.82 and 311,494.48 is: 466,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,831.08 : 1,006,385.82 = 311,494.48 : x
  2. Step 2: Convert to fraction form
    671,831.08/1,006,385.82 = 311,494.48/x
  3. Step 3: Cross multiply
    671,831.08x = 1,006,385.82 × 311,494.48
  4. Step 4: Simplify right side
    671,831.08x = 313,483,627,680.27
  5. Step 5: Solve for x
    x = 313,483,627,680.27/671,831.08
  6. Step 6: Final answer
    x = 466,610.79

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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.