Home / 718,255.72-1,077,700.94-376,617.56

Finding the Fourth Proportional to 718,255.72, 1,077,700.94 and 376,617.56

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Solution

The fourth proportional to 718,255.72, 1,077,700.94 and 376,617.56 is: 565,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,255.72 : 1,077,700.94 = 376,617.56 : x
  2. Step 2: Convert to fraction form
    718,255.72/1,077,700.94 = 376,617.56/x
  3. Step 3: Cross multiply
    718,255.72x = 1,077,700.94 × 376,617.56
  4. Step 4: Simplify right side
    718,255.72x = 405,881,098,432.51
  5. Step 5: Solve for x
    x = 405,881,098,432.51/718,255.72
  6. Step 6: Final answer
    x = 565,092.75

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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.