Home / 648,579.80-972,872.94-293,177.72

Finding the Fourth Proportional to 648,579.80, 972,872.94 and 293,177.72

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Solution

The fourth proportional to 648,579.80, 972,872.94 and 293,177.72 is: 439,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,579.80 : 972,872.94 = 293,177.72 : x
  2. Step 2: Convert to fraction form
    648,579.80/972,872.94 = 293,177.72/x
  3. Step 3: Cross multiply
    648,579.80x = 972,872.94 × 293,177.72
  4. Step 4: Simplify right side
    648,579.80x = 285,224,670,398.90
  5. Step 5: Solve for x
    x = 285,224,670,398.90/648,579.80
  6. Step 6: Final answer
    x = 439,768.04

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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.