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Finding the Fourth Proportional to 550,660.53, 825,892.26 and 350,386

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Solution

The fourth proportional to 550,660.53, 825,892.26 and 350,386 is: 525,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,660.53 : 825,892.26 = 350,386 : x
  2. Step 2: Convert to fraction form
    550,660.53/825,892.26 = 350,386/x
  3. Step 3: Cross multiply
    550,660.53x = 825,892.26 × 350,386
  4. Step 4: Simplify right side
    550,660.53x = 289,381,085,412.36
  5. Step 5: Solve for x
    x = 289,381,085,412.36/550,660.53
  6. Step 6: Final answer
    x = 525,516.30

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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.