Home / 979,069.96-1,468,272.31-339,224.35

Finding the Fourth Proportional to 979,069.96, 1,468,272.31 and 339,224.35

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Solution

The fourth proportional to 979,069.96, 1,468,272.31 and 339,224.35 is: 508,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,069.96 : 1,468,272.31 = 339,224.35 : x
  2. Step 2: Convert to fraction form
    979,069.96/1,468,272.31 = 339,224.35/x
  3. Step 3: Cross multiply
    979,069.96x = 1,468,272.31 × 339,224.35
  4. Step 4: Simplify right side
    979,069.96x = 498,073,715,013.55
  5. Step 5: Solve for x
    x = 498,073,715,013.55/979,069.96
  6. Step 6: Final answer
    x = 508,721.27

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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.