Home / 513,438.48-769,829.67-246,668.22

Finding the Fourth Proportional to 513,438.48, 769,829.67 and 246,668.22

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Solution

The fourth proportional to 513,438.48, 769,829.67 and 246,668.22 is: 369,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,438.48 : 769,829.67 = 246,668.22 : x
  2. Step 2: Convert to fraction form
    513,438.48/769,829.67 = 246,668.22/x
  3. Step 3: Cross multiply
    513,438.48x = 769,829.67 × 246,668.22
  4. Step 4: Simplify right side
    513,438.48x = 189,892,514,402.09
  5. Step 5: Solve for x
    x = 189,892,514,402.09/513,438.48
  6. Step 6: Final answer
    x = 369,844.73

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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.