Home / 493,975.30-740,458.17-280,291.79

Finding the Fourth Proportional to 493,975.30, 740,458.17 and 280,291.79

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Solution

The fourth proportional to 493,975.30, 740,458.17 and 280,291.79 is: 420,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,975.30 : 740,458.17 = 280,291.79 : x
  2. Step 2: Convert to fraction form
    493,975.30/740,458.17 = 280,291.79/x
  3. Step 3: Cross multiply
    493,975.30x = 740,458.17 × 280,291.79
  4. Step 4: Simplify right side
    493,975.30x = 207,544,343,449.02
  5. Step 5: Solve for x
    x = 207,544,343,449.02/493,975.30
  6. Step 6: Final answer
    x = 420,151.26

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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.