Home / 892,953.17-1,230,022.13-720,387.94

Finding the Fourth Proportional to 892,953.17, 1,230,022.13 and 720,387.94

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Solution

The fourth proportional to 892,953.17, 1,230,022.13 and 720,387.94 is: 992,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,953.17 : 1,230,022.13 = 720,387.94 : x
  2. Step 2: Convert to fraction form
    892,953.17/1,230,022.13 = 720,387.94/x
  3. Step 3: Cross multiply
    892,953.17x = 1,230,022.13 × 720,387.94
  4. Step 4: Simplify right side
    892,953.17x = 886,093,101,334.52
  5. Step 5: Solve for x
    x = 886,093,101,334.52/892,953.17
  6. Step 6: Final answer
    x = 992,317.55

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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.