Home / 505,027.10-757,660.94-189,486.74

Finding the Fourth Proportional to 505,027.10, 757,660.94 and 189,486.74

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Solution

The fourth proportional to 505,027.10, 757,660.94 and 189,486.74 is: 284,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,027.10 : 757,660.94 = 189,486.74 : x
  2. Step 2: Convert to fraction form
    505,027.10/757,660.94 = 189,486.74/x
  3. Step 3: Cross multiply
    505,027.10x = 757,660.94 × 189,486.74
  4. Step 4: Simplify right side
    505,027.10x = 143,566,703,203.23
  5. Step 5: Solve for x
    x = 143,566,703,203.23/505,027.10
  6. Step 6: Final answer
    x = 284,275.24

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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.