Home / 901,474.94-1,243,988.05-493,498.59

Finding the Fourth Proportional to 901,474.94, 1,243,988.05 and 493,498.59

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Solution

The fourth proportional to 901,474.94, 1,243,988.05 and 493,498.59 is: 681,002.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,474.94 : 1,243,988.05 = 493,498.59 : x
  2. Step 2: Convert to fraction form
    901,474.94/1,243,988.05 = 493,498.59/x
  3. Step 3: Cross multiply
    901,474.94x = 1,243,988.05 × 493,498.59
  4. Step 4: Simplify right side
    901,474.94x = 613,906,348,651.85
  5. Step 5: Solve for x
    x = 613,906,348,651.85/901,474.94
  6. Step 6: Final answer
    x = 681,002.12

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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.