Home / 505,585.08-757,514.45-278,071.14

Finding the Fourth Proportional to 505,585.08, 757,514.45 and 278,071.14

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Solution

The fourth proportional to 505,585.08, 757,514.45 and 278,071.14 is: 416,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,585.08 : 757,514.45 = 278,071.14 : x
  2. Step 2: Convert to fraction form
    505,585.08/757,514.45 = 278,071.14/x
  3. Step 3: Cross multiply
    505,585.08x = 757,514.45 × 278,071.14
  4. Step 4: Simplify right side
    505,585.08x = 210,642,906,677.97
  5. Step 5: Solve for x
    x = 210,642,906,677.97/505,585.08
  6. Step 6: Final answer
    x = 416,631.97

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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.