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Finding the Fourth Proportional to 565,295.60, 847,676.10 and 328,710.80

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Solution

The fourth proportional to 565,295.60, 847,676.10 and 328,710.80 is: 492,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,295.60 : 847,676.10 = 328,710.80 : x
  2. Step 2: Convert to fraction form
    565,295.60/847,676.10 = 328,710.80/x
  3. Step 3: Cross multiply
    565,295.60x = 847,676.10 × 328,710.80
  4. Step 4: Simplify right side
    565,295.60x = 278,640,288,971.88
  5. Step 5: Solve for x
    x = 278,640,288,971.88/565,295.60
  6. Step 6: Final answer
    x = 492,910.77

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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.