Home / 945,027.10-1,416,633.45-313,615.90

Finding the Fourth Proportional to 945,027.10, 1,416,633.45 and 313,615.90

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Solution

The fourth proportional to 945,027.10, 1,416,633.45 and 313,615.90 is: 470,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,027.10 : 1,416,633.45 = 313,615.90 : x
  2. Step 2: Convert to fraction form
    945,027.10/1,416,633.45 = 313,615.90/x
  3. Step 3: Cross multiply
    945,027.10x = 1,416,633.45 × 313,615.90
  4. Step 4: Simplify right side
    945,027.10x = 444,278,774,391.86
  5. Step 5: Solve for x
    x = 444,278,774,391.86/945,027.10
  6. Step 6: Final answer
    x = 470,122.79

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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.