Home / 979,157.57-1,467,725.87-410,868.65

Finding the Fourth Proportional to 979,157.57, 1,467,725.87 and 410,868.65

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Solution

The fourth proportional to 979,157.57, 1,467,725.87 and 410,868.65 is: 615,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,157.57 : 1,467,725.87 = 410,868.65 : x
  2. Step 2: Convert to fraction form
    979,157.57/1,467,725.87 = 410,868.65/x
  3. Step 3: Cross multiply
    979,157.57x = 1,467,725.87 × 410,868.65
  4. Step 4: Simplify right side
    979,157.57x = 603,042,551,473.46
  5. Step 5: Solve for x
    x = 603,042,551,473.46/979,157.57
  6. Step 6: Final answer
    x = 615,878.97

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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.