Home / 890,977.68-1,336,430.07-322,372.26

Finding the Fourth Proportional to 890,977.68, 1,336,430.07 and 322,372.26

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Solution

The fourth proportional to 890,977.68, 1,336,430.07 and 322,372.26 is: 483,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,977.68 : 1,336,430.07 = 322,372.26 : x
  2. Step 2: Convert to fraction form
    890,977.68/1,336,430.07 = 322,372.26/x
  3. Step 3: Cross multiply
    890,977.68x = 1,336,430.07 × 322,372.26
  4. Step 4: Simplify right side
    890,977.68x = 430,827,981,997.86
  5. Step 5: Solve for x
    x = 430,827,981,997.86/890,977.68
  6. Step 6: Final answer
    x = 483,545.20

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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.