Home / 675,025.86-1,012,539.78-275,666.64

Finding the Fourth Proportional to 675,025.86, 1,012,539.78 and 275,666.64

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Solution

The fourth proportional to 675,025.86, 1,012,539.78 and 275,666.64 is: 413,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,025.86 : 1,012,539.78 = 275,666.64 : x
  2. Step 2: Convert to fraction form
    675,025.86/1,012,539.78 = 275,666.64/x
  3. Step 3: Cross multiply
    675,025.86x = 1,012,539.78 × 275,666.64
  4. Step 4: Simplify right side
    675,025.86x = 279,123,439,018.94
  5. Step 5: Solve for x
    x = 279,123,439,018.94/675,025.86
  6. Step 6: Final answer
    x = 413,500.36

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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.