Home / 653,403.84-979,928.76-179,976.60

Finding the Fourth Proportional to 653,403.84, 979,928.76 and 179,976.60

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Solution

The fourth proportional to 653,403.84, 979,928.76 and 179,976.60 is: 269,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,403.84 : 979,928.76 = 179,976.60 : x
  2. Step 2: Convert to fraction form
    653,403.84/979,928.76 = 179,976.60/x
  3. Step 3: Cross multiply
    653,403.84x = 979,928.76 × 179,976.60
  4. Step 4: Simplify right side
    653,403.84x = 176,364,246,467.02
  5. Step 5: Solve for x
    x = 176,364,246,467.02/653,403.84
  6. Step 6: Final answer
    x = 269,916.15

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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.