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Finding the Fourth Proportional to 566,511.60, 848,017.80 and 329,149.20

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Solution

The fourth proportional to 566,511.60, 848,017.80 and 329,149.20 is: 492,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,511.60 : 848,017.80 = 329,149.20 : x
  2. Step 2: Convert to fraction form
    566,511.60/848,017.80 = 329,149.20/x
  3. Step 3: Cross multiply
    566,511.60x = 848,017.80 × 329,149.20
  4. Step 4: Simplify right side
    566,511.60x = 279,124,380,455.76
  5. Step 5: Solve for x
    x = 279,124,380,455.76/566,511.60
  6. Step 6: Final answer
    x = 492,707.26

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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.