Home / 792,697.10-1,188,539.89-522,513.32

Finding the Fourth Proportional to 792,697.10, 1,188,539.89 and 522,513.32

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Solution

The fourth proportional to 792,697.10, 1,188,539.89 and 522,513.32 is: 783,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,697.10 : 1,188,539.89 = 522,513.32 : x
  2. Step 2: Convert to fraction form
    792,697.10/1,188,539.89 = 522,513.32/x
  3. Step 3: Cross multiply
    792,697.10x = 1,188,539.89 × 522,513.32
  4. Step 4: Simplify right side
    792,697.10x = 621,027,916,627.35
  5. Step 5: Solve for x
    x = 621,027,916,627.35/792,697.10
  6. Step 6: Final answer
    x = 783,436.60

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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.