Home / 740,027.20-1,110,559.20-319,604.80

Finding the Fourth Proportional to 740,027.20, 1,110,559.20 and 319,604.80

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Solution

The fourth proportional to 740,027.20, 1,110,559.20 and 319,604.80 is: 479,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,027.20 : 1,110,559.20 = 319,604.80 : x
  2. Step 2: Convert to fraction form
    740,027.20/1,110,559.20 = 319,604.80/x
  3. Step 3: Cross multiply
    740,027.20x = 1,110,559.20 × 319,604.80
  4. Step 4: Simplify right side
    740,027.20x = 354,940,051,004.16
  5. Step 5: Solve for x
    x = 354,940,051,004.16/740,027.20
  6. Step 6: Final answer
    x = 479,631.09

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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.