Home / 451,890.47-677,198.54-249,577.78

Finding the Fourth Proportional to 451,890.47, 677,198.54 and 249,577.78

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Solution

The fourth proportional to 451,890.47, 677,198.54 and 249,577.78 is: 374,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,890.47 : 677,198.54 = 249,577.78 : x
  2. Step 2: Convert to fraction form
    451,890.47/677,198.54 = 249,577.78/x
  3. Step 3: Cross multiply
    451,890.47x = 677,198.54 × 249,577.78
  4. Step 4: Simplify right side
    451,890.47x = 169,013,708,232.44
  5. Step 5: Solve for x
    x = 169,013,708,232.44/451,890.47
  6. Step 6: Final answer
    x = 374,014.77

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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.