Home / 808,202.52-1,115,327.03-445,639.37

Finding the Fourth Proportional to 808,202.52, 1,115,327.03 and 445,639.37

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Solution

The fourth proportional to 808,202.52, 1,115,327.03 and 445,639.37 is: 614,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,202.52 : 1,115,327.03 = 445,639.37 : x
  2. Step 2: Convert to fraction form
    808,202.52/1,115,327.03 = 445,639.37/x
  3. Step 3: Cross multiply
    808,202.52x = 1,115,327.03 × 445,639.37
  4. Step 4: Simplify right side
    808,202.52x = 497,033,627,188.34
  5. Step 5: Solve for x
    x = 497,033,627,188.34/808,202.52
  6. Step 6: Final answer
    x = 614,986.49

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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.