Home / 979,121.52-1,468,371.24-314,118

Finding the Fourth Proportional to 979,121.52, 1,468,371.24 and 314,118

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Solution

The fourth proportional to 979,121.52, 1,468,371.24 and 314,118 is: 471,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,121.52 : 1,468,371.24 = 314,118 : x
  2. Step 2: Convert to fraction form
    979,121.52/1,468,371.24 = 314,118/x
  3. Step 3: Cross multiply
    979,121.52x = 1,468,371.24 × 314,118
  4. Step 4: Simplify right side
    979,121.52x = 461,241,837,166.32
  5. Step 5: Solve for x
    x = 461,241,837,166.32/979,121.52
  6. Step 6: Final answer
    x = 471,077.21

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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.