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Finding the Fourth Proportional to 565,587.80, 848,337.60 and 328,779.44

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Solution

The fourth proportional to 565,587.80, 848,337.60 and 328,779.44 is: 493,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,587.80 : 848,337.60 = 328,779.44 : x
  2. Step 2: Convert to fraction form
    565,587.80/848,337.60 = 328,779.44/x
  3. Step 3: Cross multiply
    565,587.80x = 848,337.60 × 328,779.44
  4. Step 4: Simplify right side
    565,587.80x = 278,915,961,058.94
  5. Step 5: Solve for x
    x = 278,915,961,058.94/565,587.80
  6. Step 6: Final answer
    x = 493,143.52

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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.