Home / 987,746.94-1,481,625.81-277,781.13

Finding the Fourth Proportional to 987,746.94, 1,481,625.81 and 277,781.13

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Solution

The fourth proportional to 987,746.94, 1,481,625.81 and 277,781.13 is: 416,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,746.94 : 1,481,625.81 = 277,781.13 : x
  2. Step 2: Convert to fraction form
    987,746.94/1,481,625.81 = 277,781.13/x
  3. Step 3: Cross multiply
    987,746.94x = 1,481,625.81 × 277,781.13
  4. Step 4: Simplify right side
    987,746.94x = 411,567,691,738.97
  5. Step 5: Solve for x
    x = 411,567,691,738.97/987,746.94
  6. Step 6: Final answer
    x = 416,673.21

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1.5x scale

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.