Home / 901,372.02-1,243,893.66-493,499.76

Finding the Fourth Proportional to 901,372.02, 1,243,893.66 and 493,499.76

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Solution

The fourth proportional to 901,372.02, 1,243,893.66 and 493,499.76 is: 681,029.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,372.02 : 1,243,893.66 = 493,499.76 : x
  2. Step 2: Convert to fraction form
    901,372.02/1,243,893.66 = 493,499.76/x
  3. Step 3: Cross multiply
    901,372.02x = 1,243,893.66 × 493,499.76
  4. Step 4: Simplify right side
    901,372.02x = 613,861,222,675.52
  5. Step 5: Solve for x
    x = 613,861,222,675.52/901,372.02
  6. Step 6: Final answer
    x = 681,029.82

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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.