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Finding the Fourth Proportional to 558,967.36, 771,255.36 and 332,568.64

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Solution

The fourth proportional to 558,967.36, 771,255.36 and 332,568.64 is: 458,873.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,967.36 : 771,255.36 = 332,568.64 : x
  2. Step 2: Convert to fraction form
    558,967.36/771,255.36 = 332,568.64/x
  3. Step 3: Cross multiply
    558,967.36x = 771,255.36 × 332,568.64
  4. Step 4: Simplify right side
    558,967.36x = 256,495,346,167.91
  5. Step 5: Solve for x
    x = 256,495,346,167.91/558,967.36
  6. Step 6: Final answer
    x = 458,873.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.