Home / 504,986-696,895.26-278,646.08

Finding the Fourth Proportional to 504,986, 696,895.26 and 278,646.08

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Solution

The fourth proportional to 504,986, 696,895.26 and 278,646.08 is: 384,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,986 : 696,895.26 = 278,646.08 : x
  2. Step 2: Convert to fraction form
    504,986/696,895.26 = 278,646.08/x
  3. Step 3: Cross multiply
    504,986x = 696,895.26 × 278,646.08
  4. Step 4: Simplify right side
    504,986x = 194,187,132,369.58
  5. Step 5: Solve for x
    x = 194,187,132,369.58/504,986
  6. Step 6: Final answer
    x = 384,539.64

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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.