Home / 754,921-1,132,556.46-256,285

Finding the Fourth Proportional to 754,921, 1,132,556.46 and 256,285

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Solution

The fourth proportional to 754,921, 1,132,556.46 and 256,285 is: 384,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,921 : 1,132,556.46 = 256,285 : x
  2. Step 2: Convert to fraction form
    754,921/1,132,556.46 = 256,285/x
  3. Step 3: Cross multiply
    754,921x = 1,132,556.46 × 256,285
  4. Step 4: Simplify right side
    754,921x = 290,257,232,351.10
  5. Step 5: Solve for x
    x = 290,257,232,351.10/754,921
  6. Step 6: Final answer
    x = 384,486.90

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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.