Home / 781,022.52-1,170,322.03-541,603.42

Finding the Fourth Proportional to 781,022.52, 1,170,322.03 and 541,603.42

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Solution

The fourth proportional to 781,022.52, 1,170,322.03 and 541,603.42 is: 811,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,022.52 : 1,170,322.03 = 541,603.42 : x
  2. Step 2: Convert to fraction form
    781,022.52/1,170,322.03 = 541,603.42/x
  3. Step 3: Cross multiply
    781,022.52x = 1,170,322.03 × 541,603.42
  4. Step 4: Simplify right side
    781,022.52x = 633,850,413,949.34
  5. Step 5: Solve for x
    x = 633,850,413,949.34/781,022.52
  6. Step 6: Final answer
    x = 811,564.84

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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.