Home / 785,003.10-1,083,242.52-445,471.35

Finding the Fourth Proportional to 785,003.10, 1,083,242.52 and 445,471.35

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Solution

The fourth proportional to 785,003.10, 1,083,242.52 and 445,471.35 is: 614,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,003.10 : 1,083,242.52 = 445,471.35 : x
  2. Step 2: Convert to fraction form
    785,003.10/1,083,242.52 = 445,471.35/x
  3. Step 3: Cross multiply
    785,003.10x = 1,083,242.52 × 445,471.35
  4. Step 4: Simplify right side
    785,003.10x = 482,553,507,761.80
  5. Step 5: Solve for x
    x = 482,553,507,761.80/785,003.10
  6. Step 6: Final answer
    x = 614,715.42

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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.