Home / 722,108.48-1,081,443.50-417,861.27

Finding the Fourth Proportional to 722,108.48, 1,081,443.50 and 417,861.27

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Solution

The fourth proportional to 722,108.48, 1,081,443.50 and 417,861.27 is: 625,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,108.48 : 1,081,443.50 = 417,861.27 : x
  2. Step 2: Convert to fraction form
    722,108.48/1,081,443.50 = 417,861.27/x
  3. Step 3: Cross multiply
    722,108.48x = 1,081,443.50 × 417,861.27
  4. Step 4: Simplify right side
    722,108.48x = 451,893,354,343.25
  5. Step 5: Solve for x
    x = 451,893,354,343.25/722,108.48
  6. Step 6: Final answer
    x = 625,797.05

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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.