Home / 377,224.72-521,940.89-328,927.36

Finding the Fourth Proportional to 377,224.72, 521,940.89 and 328,927.36

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Solution

The fourth proportional to 377,224.72, 521,940.89 and 328,927.36 is: 455,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,224.72 : 521,940.89 = 328,927.36 : x
  2. Step 2: Convert to fraction form
    377,224.72/521,940.89 = 328,927.36/x
  3. Step 3: Cross multiply
    377,224.72x = 521,940.89 × 328,927.36
  4. Step 4: Simplify right side
    377,224.72x = 171,680,634,769.41
  5. Step 5: Solve for x
    x = 171,680,634,769.41/377,224.72
  6. Step 6: Final answer
    x = 455,115.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.