Home / 677,999.36-935,250.24-422,907.52

Finding the Fourth Proportional to 677,999.36, 935,250.24 and 422,907.52

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Solution

The fourth proportional to 677,999.36, 935,250.24 and 422,907.52 is: 583,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,999.36 : 935,250.24 = 422,907.52 : x
  2. Step 2: Convert to fraction form
    677,999.36/935,250.24 = 422,907.52/x
  3. Step 3: Cross multiply
    677,999.36x = 935,250.24 × 422,907.52
  4. Step 4: Simplify right side
    677,999.36x = 395,524,359,577.81
  5. Step 5: Solve for x
    x = 395,524,359,577.81/677,999.36
  6. Step 6: Final answer
    x = 583,369.81

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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.