Home / 979,712.16-1,469,622.93-305,886.52

Finding the Fourth Proportional to 979,712.16, 1,469,622.93 and 305,886.52

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Solution

The fourth proportional to 979,712.16, 1,469,622.93 and 305,886.52 is: 458,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,712.16 : 1,469,622.93 = 305,886.52 : x
  2. Step 2: Convert to fraction form
    979,712.16/1,469,622.93 = 305,886.52/x
  3. Step 3: Cross multiply
    979,712.16x = 1,469,622.93 × 305,886.52
  4. Step 4: Simplify right side
    979,712.16x = 449,537,843,769.90
  5. Step 5: Solve for x
    x = 449,537,843,769.90/979,712.16
  6. Step 6: Final answer
    x = 458,846.86

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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.