Home / 763,504.92-1,143,512.64-364,425.89

Finding the Fourth Proportional to 763,504.92, 1,143,512.64 and 364,425.89

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Solution

The fourth proportional to 763,504.92, 1,143,512.64 and 364,425.89 is: 545,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,504.92 : 1,143,512.64 = 364,425.89 : x
  2. Step 2: Convert to fraction form
    763,504.92/1,143,512.64 = 364,425.89/x
  3. Step 3: Cross multiply
    763,504.92x = 1,143,512.64 × 364,425.89
  4. Step 4: Simplify right side
    763,504.92x = 416,725,605,840.69
  5. Step 5: Solve for x
    x = 416,725,605,840.69/763,504.92
  6. Step 6: Final answer
    x = 545,806.05

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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.