Home / 710,849.43-1,066,340.97-261,578.88

Finding the Fourth Proportional to 710,849.43, 1,066,340.97 and 261,578.88

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Solution

The fourth proportional to 710,849.43, 1,066,340.97 and 261,578.88 is: 392,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,849.43 : 1,066,340.97 = 261,578.88 : x
  2. Step 2: Convert to fraction form
    710,849.43/1,066,340.97 = 261,578.88/x
  3. Step 3: Cross multiply
    710,849.43x = 1,066,340.97 × 261,578.88
  4. Step 4: Simplify right side
    710,849.43x = 278,932,276,630.71
  5. Step 5: Solve for x
    x = 278,932,276,630.71/710,849.43
  6. Step 6: Final answer
    x = 392,392.91

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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.