Home / 849,753.34-1,273,803.81-280,744.54

Finding the Fourth Proportional to 849,753.34, 1,273,803.81 and 280,744.54

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Solution

The fourth proportional to 849,753.34, 1,273,803.81 and 280,744.54 is: 420,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,753.34 : 1,273,803.81 = 280,744.54 : x
  2. Step 2: Convert to fraction form
    849,753.34/1,273,803.81 = 280,744.54/x
  3. Step 3: Cross multiply
    849,753.34x = 1,273,803.81 × 280,744.54
  4. Step 4: Simplify right side
    849,753.34x = 357,613,464,688.70
  5. Step 5: Solve for x
    x = 357,613,464,688.70/849,753.34
  6. Step 6: Final answer
    x = 420,843.85

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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.