Home / 979,498.86-1,469,815.53-410,829.36

Finding the Fourth Proportional to 979,498.86, 1,469,815.53 and 410,829.36

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Solution

The fourth proportional to 979,498.86, 1,469,815.53 and 410,829.36 is: 616,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,498.86 : 1,469,815.53 = 410,829.36 : x
  2. Step 2: Convert to fraction form
    979,498.86/1,469,815.53 = 410,829.36/x
  3. Step 3: Cross multiply
    979,498.86x = 1,469,815.53 × 410,829.36
  4. Step 4: Simplify right side
    979,498.86x = 603,843,373,507.96
  5. Step 5: Solve for x
    x = 603,843,373,507.96/979,498.86
  6. Step 6: Final answer
    x = 616,481.96

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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.