Home / 987,600.09-1,481,400.14-277,628.13

Finding the Fourth Proportional to 987,600.09, 1,481,400.14 and 277,628.13

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Solution

The fourth proportional to 987,600.09, 1,481,400.14 and 277,628.13 is: 416,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,600.09 : 1,481,400.14 = 277,628.13 : x
  2. Step 2: Convert to fraction form
    987,600.09/1,481,400.14 = 277,628.13/x
  3. Step 3: Cross multiply
    987,600.09x = 1,481,400.14 × 277,628.13
  4. Step 4: Simplify right side
    987,600.09x = 411,278,351,344.01
  5. Step 5: Solve for x
    x = 411,278,351,344.01/987,600.09
  6. Step 6: Final answer
    x = 416,442.20

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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.