Home / 648,414.92-972,601.61-293,428.94

Finding the Fourth Proportional to 648,414.92, 972,601.61 and 293,428.94

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Solution

The fourth proportional to 648,414.92, 972,601.61 and 293,428.94 is: 440,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,414.92 : 972,601.61 = 293,428.94 : x
  2. Step 2: Convert to fraction form
    648,414.92/972,601.61 = 293,428.94/x
  3. Step 3: Cross multiply
    648,414.92x = 972,601.61 × 293,428.94
  4. Step 4: Simplify right side
    648,414.92x = 285,389,456,706.74
  5. Step 5: Solve for x
    x = 285,389,456,706.74/648,414.92
  6. Step 6: Final answer
    x = 440,134.01

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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.