Home / 718,261.36-1,077,709.39-376,623.21

Finding the Fourth Proportional to 718,261.36, 1,077,709.39 and 376,623.21

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Solution

The fourth proportional to 718,261.36, 1,077,709.39 and 376,623.21 is: 565,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,261.36 : 1,077,709.39 = 376,623.21 : x
  2. Step 2: Convert to fraction form
    718,261.36/1,077,709.39 = 376,623.21/x
  3. Step 3: Cross multiply
    718,261.36x = 1,077,709.39 × 376,623.21
  4. Step 4: Simplify right side
    718,261.36x = 405,890,369,908.94
  5. Step 5: Solve for x
    x = 405,890,369,908.94/718,261.36
  6. Step 6: Final answer
    x = 565,101.22

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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.