Home / 776,707.14-1,165,340.16-271,342.47

Finding the Fourth Proportional to 776,707.14, 1,165,340.16 and 271,342.47

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Solution

The fourth proportional to 776,707.14, 1,165,340.16 and 271,342.47 is: 407,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,707.14 : 1,165,340.16 = 271,342.47 : x
  2. Step 2: Convert to fraction form
    776,707.14/1,165,340.16 = 271,342.47/x
  3. Step 3: Cross multiply
    776,707.14x = 1,165,340.16 × 271,342.47
  4. Step 4: Simplify right side
    776,707.14x = 316,206,277,404.60
  5. Step 5: Solve for x
    x = 316,206,277,404.60/776,707.14
  6. Step 6: Final answer
    x = 407,111.33

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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.