Home / 901,542.86-1,244,129.47-493,670.55

Finding the Fourth Proportional to 901,542.86, 1,244,129.47 and 493,670.55

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Solution

The fourth proportional to 901,542.86, 1,244,129.47 and 493,670.55 is: 681,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,542.86 : 1,244,129.47 = 493,670.55 : x
  2. Step 2: Convert to fraction form
    901,542.86/1,244,129.47 = 493,670.55/x
  3. Step 3: Cross multiply
    901,542.86x = 1,244,129.47 × 493,670.55
  4. Step 4: Simplify right side
    901,542.86x = 614,190,078,936.09
  5. Step 5: Solve for x
    x = 614,190,078,936.09/901,542.86
  6. Step 6: Final answer
    x = 681,265.54

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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.