Home / 993,745.82-1,490,304.98-319,676.85

Finding the Fourth Proportional to 993,745.82, 1,490,304.98 and 319,676.85

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Solution

The fourth proportional to 993,745.82, 1,490,304.98 and 319,676.85 is: 479,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,745.82 : 1,490,304.98 = 319,676.85 : x
  2. Step 2: Convert to fraction form
    993,745.82/1,490,304.98 = 319,676.85/x
  3. Step 3: Cross multiply
    993,745.82x = 1,490,304.98 × 319,676.85
  4. Step 4: Simplify right side
    993,745.82x = 476,415,999,947.33
  5. Step 5: Solve for x
    x = 476,415,999,947.33/993,745.82
  6. Step 6: Final answer
    x = 479,414.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.