Home / 455,243.04-627,849.80-273,921.12

Finding the Fourth Proportional to 455,243.04, 627,849.80 and 273,921.12

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Solution

The fourth proportional to 455,243.04, 627,849.80 and 273,921.12 is: 377,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,243.04 : 627,849.80 = 273,921.12 : x
  2. Step 2: Convert to fraction form
    455,243.04/627,849.80 = 273,921.12/x
  3. Step 3: Cross multiply
    455,243.04x = 627,849.80 × 273,921.12
  4. Step 4: Simplify right side
    455,243.04x = 171,981,320,407.78
  5. Step 5: Solve for x
    x = 171,981,320,407.78/455,243.04
  6. Step 6: Final answer
    x = 377,779.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.