Home / 993,184.56-1,489,633.45-319,177.89

Finding the Fourth Proportional to 993,184.56, 1,489,633.45 and 319,177.89

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Solution

The fourth proportional to 993,184.56, 1,489,633.45 and 319,177.89 is: 478,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,184.56 : 1,489,633.45 = 319,177.89 : x
  2. Step 2: Convert to fraction form
    993,184.56/1,489,633.45 = 319,177.89/x
  3. Step 3: Cross multiply
    993,184.56x = 1,489,633.45 × 319,177.89
  4. Step 4: Simplify right side
    993,184.56x = 475,458,060,646.48
  5. Step 5: Solve for x
    x = 475,458,060,646.48/993,184.56
  6. Step 6: Final answer
    x = 478,720.75

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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.