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Finding the Fourth Proportional to 452,352.82, 677,495.78 and 215,861.60

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Solution

The fourth proportional to 452,352.82, 677,495.78 and 215,861.60 is: 323,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,352.82 : 677,495.78 = 215,861.60 : x
  2. Step 2: Convert to fraction form
    452,352.82/677,495.78 = 215,861.60/x
  3. Step 3: Cross multiply
    452,352.82x = 677,495.78 × 215,861.60
  4. Step 4: Simplify right side
    452,352.82x = 146,245,323,064.05
  5. Step 5: Solve for x
    x = 146,245,323,064.05/452,352.82
  6. Step 6: Final answer
    x = 323,299.24

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1.5x scale

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.