Home / 284,007.48-423,685.39-276,285.54

Finding the Fourth Proportional to 284,007.48, 423,685.39 and 276,285.54

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Solution

The fourth proportional to 284,007.48, 423,685.39 and 276,285.54 is: 412,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,007.48 : 423,685.39 = 276,285.54 : x
  2. Step 2: Convert to fraction form
    284,007.48/423,685.39 = 276,285.54/x
  3. Step 3: Cross multiply
    284,007.48x = 423,685.39 × 276,285.54
  4. Step 4: Simplify right side
    284,007.48x = 117,058,145,384.83
  5. Step 5: Solve for x
    x = 117,058,145,384.83/284,007.48
  6. Step 6: Final answer
    x = 412,165.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.