Home / 779,309.44-1,167,930.74-400,214.86

Finding the Fourth Proportional to 779,309.44, 1,167,930.74 and 400,214.86

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Solution

The fourth proportional to 779,309.44, 1,167,930.74 and 400,214.86 is: 599,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,309.44 : 1,167,930.74 = 400,214.86 : x
  2. Step 2: Convert to fraction form
    779,309.44/1,167,930.74 = 400,214.86/x
  3. Step 3: Cross multiply
    779,309.44x = 1,167,930.74 × 400,214.86
  4. Step 4: Simplify right side
    779,309.44x = 467,423,237,598.80
  5. Step 5: Solve for x
    x = 467,423,237,598.80/779,309.44
  6. Step 6: Final answer
    x = 599,791.58

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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.