Home / 667,838.44-1,002,150.78-247,407.40

Finding the Fourth Proportional to 667,838.44, 1,002,150.78 and 247,407.40

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Solution

The fourth proportional to 667,838.44, 1,002,150.78 and 247,407.40 is: 371,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,838.44 : 1,002,150.78 = 247,407.40 : x
  2. Step 2: Convert to fraction form
    667,838.44/1,002,150.78 = 247,407.40/x
  3. Step 3: Cross multiply
    667,838.44x = 1,002,150.78 × 247,407.40
  4. Step 4: Simplify right side
    667,838.44x = 247,939,518,887.77
  5. Step 5: Solve for x
    x = 247,939,518,887.77/667,838.44
  6. Step 6: Final answer
    x = 371,256.74

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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.