Home / 978,140.10-1,467,939.15-504,581.70

Finding the Fourth Proportional to 978,140.10, 1,467,939.15 and 504,581.70

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Solution

The fourth proportional to 978,140.10, 1,467,939.15 and 504,581.70 is: 757,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,140.10 : 1,467,939.15 = 504,581.70 : x
  2. Step 2: Convert to fraction form
    978,140.10/1,467,939.15 = 504,581.70/x
  3. Step 3: Cross multiply
    978,140.10x = 1,467,939.15 × 504,581.70
  4. Step 4: Simplify right side
    978,140.10x = 740,695,231,803.56
  5. Step 5: Solve for x
    x = 740,695,231,803.56/978,140.10
  6. Step 6: Final answer
    x = 757,248.61

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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.