Home / 740,732.24-1,111,551.96-319,998.80

Finding the Fourth Proportional to 740,732.24, 1,111,551.96 and 319,998.80

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Solution

The fourth proportional to 740,732.24, 1,111,551.96 and 319,998.80 is: 480,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,732.24 : 1,111,551.96 = 319,998.80 : x
  2. Step 2: Convert to fraction form
    740,732.24/1,111,551.96 = 319,998.80/x
  3. Step 3: Cross multiply
    740,732.24x = 1,111,551.96 × 319,998.80
  4. Step 4: Simplify right side
    740,732.24x = 355,695,293,337.65
  5. Step 5: Solve for x
    x = 355,695,293,337.65/740,732.24
  6. Step 6: Final answer
    x = 480,194.16

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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.