Home / 979,876.60-1,469,814.36-306,015.64

Finding the Fourth Proportional to 979,876.60, 1,469,814.36 and 306,015.64

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Solution

The fourth proportional to 979,876.60, 1,469,814.36 and 306,015.64 is: 459,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,876.60 : 1,469,814.36 = 306,015.64 : x
  2. Step 2: Convert to fraction form
    979,876.60/1,469,814.36 = 306,015.64/x
  3. Step 3: Cross multiply
    979,876.60x = 1,469,814.36 × 306,015.64
  4. Step 4: Simplify right side
    979,876.60x = 449,786,182,056.59
  5. Step 5: Solve for x
    x = 449,786,182,056.59/979,876.60
  6. Step 6: Final answer
    x = 459,023.29

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1.5x scale

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.