Home / 979,078.34-1,468,284.92-339,232.75

Finding the Fourth Proportional to 979,078.34, 1,468,284.92 and 339,232.75

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Solution

The fourth proportional to 979,078.34, 1,468,284.92 and 339,232.75 is: 508,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,078.34 : 1,468,284.92 = 339,232.75 : x
  2. Step 2: Convert to fraction form
    979,078.34/1,468,284.92 = 339,232.75/x
  3. Step 3: Cross multiply
    979,078.34x = 1,468,284.92 × 339,232.75
  4. Step 4: Simplify right side
    979,078.34x = 498,090,326,943.79
  5. Step 5: Solve for x
    x = 498,090,326,943.79/979,078.34
  6. Step 6: Final answer
    x = 508,733.89

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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.