Home / 779,308.44-1,167,929.24-400,213.86

Finding the Fourth Proportional to 779,308.44, 1,167,929.24 and 400,213.86

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Solution

The fourth proportional to 779,308.44, 1,167,929.24 and 400,213.86 is: 599,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,308.44 : 1,167,929.24 = 400,213.86 : x
  2. Step 2: Convert to fraction form
    779,308.44/1,167,929.24 = 400,213.86/x
  3. Step 3: Cross multiply
    779,308.44x = 1,167,929.24 × 400,213.86
  4. Step 4: Simplify right side
    779,308.44x = 467,421,469,347.27
  5. Step 5: Solve for x
    x = 467,421,469,347.27/779,308.44
  6. Step 6: Final answer
    x = 599,790.08

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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.