Home / 993,692.96-1,490,540.13-319,774.13

Finding the Fourth Proportional to 993,692.96, 1,490,540.13 and 319,774.13

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Solution

The fourth proportional to 993,692.96, 1,490,540.13 and 319,774.13 is: 479,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,692.96 : 1,490,540.13 = 319,774.13 : x
  2. Step 2: Convert to fraction form
    993,692.96/1,490,540.13 = 319,774.13/x
  3. Step 3: Cross multiply
    993,692.96x = 1,490,540.13 × 319,774.13
  4. Step 4: Simplify right side
    993,692.96x = 476,636,171,437.66
  5. Step 5: Solve for x
    x = 476,636,171,437.66/993,692.96
  6. Step 6: Final answer
    x = 479,661.41

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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.