Home / 754,497.71-1,131,746.83-185,889.86

Finding the Fourth Proportional to 754,497.71, 1,131,746.83 and 185,889.86

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Solution

The fourth proportional to 754,497.71, 1,131,746.83 and 185,889.86 is: 278,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,497.71 : 1,131,746.83 = 185,889.86 : x
  2. Step 2: Convert to fraction form
    754,497.71/1,131,746.83 = 185,889.86/x
  3. Step 3: Cross multiply
    754,497.71x = 1,131,746.83 × 185,889.86
  4. Step 4: Simplify right side
    754,497.71x = 210,380,259,784.14
  5. Step 5: Solve for x
    x = 210,380,259,784.14/754,497.71
  6. Step 6: Final answer
    x = 278,834.86

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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.