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Finding the Fourth Proportional to 471,523.60, 707,285.40 and 322,224.40

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Solution

The fourth proportional to 471,523.60, 707,285.40 and 322,224.40 is: 483,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,523.60 : 707,285.40 = 322,224.40 : x
  2. Step 2: Convert to fraction form
    471,523.60/707,285.40 = 322,224.40/x
  3. Step 3: Cross multiply
    471,523.60x = 707,285.40 × 322,224.40
  4. Step 4: Simplify right side
    471,523.60x = 227,904,613,643.76
  5. Step 5: Solve for x
    x = 227,904,613,643.76/471,523.60
  6. Step 6: Final answer
    x = 483,336.60

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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.