Home / 756,028.76-1,133,649.45-356,562.28

Finding the Fourth Proportional to 756,028.76, 1,133,649.45 and 356,562.28

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Solution

The fourth proportional to 756,028.76, 1,133,649.45 and 356,562.28 is: 534,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,028.76 : 1,133,649.45 = 356,562.28 : x
  2. Step 2: Convert to fraction form
    756,028.76/1,133,649.45 = 356,562.28/x
  3. Step 3: Cross multiply
    756,028.76x = 1,133,649.45 × 356,562.28
  4. Step 4: Simplify right side
    756,028.76x = 404,216,629,778.62
  5. Step 5: Solve for x
    x = 404,216,629,778.62/756,028.76
  6. Step 6: Final answer
    x = 534,657.74

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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.