Home / 849,013.25-1,273,249.71-280,288.49

Finding the Fourth Proportional to 849,013.25, 1,273,249.71 and 280,288.49

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Solution

The fourth proportional to 849,013.25, 1,273,249.71 and 280,288.49 is: 420,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,013.25 : 1,273,249.71 = 280,288.49 : x
  2. Step 2: Convert to fraction form
    849,013.25/1,273,249.71 = 280,288.49/x
  3. Step 3: Cross multiply
    849,013.25x = 1,273,249.71 × 280,288.49
  4. Step 4: Simplify right side
    849,013.25x = 356,877,232,242.59
  5. Step 5: Solve for x
    x = 356,877,232,242.59/849,013.25
  6. Step 6: Final answer
    x = 420,343.54

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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.