Home / 781,846.36-1,079,049.74-437,813.30

Finding the Fourth Proportional to 781,846.36, 1,079,049.74 and 437,813.30

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Solution

The fourth proportional to 781,846.36, 1,079,049.74 and 437,813.30 is: 604,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,846.36 : 1,079,049.74 = 437,813.30 : x
  2. Step 2: Convert to fraction form
    781,846.36/1,079,049.74 = 437,813.30/x
  3. Step 3: Cross multiply
    781,846.36x = 1,079,049.74 × 437,813.30
  4. Step 4: Simplify right side
    781,846.36x = 472,422,328,042.10
  5. Step 5: Solve for x
    x = 472,422,328,042.10/781,846.36
  6. Step 6: Final answer
    x = 604,239.34

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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.