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Finding the Fourth Proportional to 496,273.96, 684,820.74 and 292,342.60

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Solution

The fourth proportional to 496,273.96, 684,820.74 and 292,342.60 is: 403,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,273.96 : 684,820.74 = 292,342.60 : x
  2. Step 2: Convert to fraction form
    496,273.96/684,820.74 = 292,342.60/x
  3. Step 3: Cross multiply
    496,273.96x = 684,820.74 × 292,342.60
  4. Step 4: Simplify right side
    496,273.96x = 200,202,275,665.52
  5. Step 5: Solve for x
    x = 200,202,275,665.52/496,273.96
  6. Step 6: Final answer
    x = 403,410.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.