Home / 376,429.61-561,936.72-322,541.32

Finding the Fourth Proportional to 376,429.61, 561,936.72 and 322,541.32

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Solution

The fourth proportional to 376,429.61, 561,936.72 and 322,541.32 is: 481,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,429.61 : 561,936.72 = 322,541.32 : x
  2. Step 2: Convert to fraction form
    376,429.61/561,936.72 = 322,541.32/x
  3. Step 3: Cross multiply
    376,429.61x = 561,936.72 × 322,541.32
  4. Step 4: Simplify right side
    376,429.61x = 181,247,811,425.27
  5. Step 5: Solve for x
    x = 181,247,811,425.27/376,429.61
  6. Step 6: Final answer
    x = 481,491.91

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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.