Home / 776,525.58-1,071,595.05-449,883.12

Finding the Fourth Proportional to 776,525.58, 1,071,595.05 and 449,883.12

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Solution

The fourth proportional to 776,525.58, 1,071,595.05 and 449,883.12 is: 620,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,525.58 : 1,071,595.05 = 449,883.12 : x
  2. Step 2: Convert to fraction form
    776,525.58/1,071,595.05 = 449,883.12/x
  3. Step 3: Cross multiply
    776,525.58x = 1,071,595.05 × 449,883.12
  4. Step 4: Simplify right side
    776,525.58x = 482,092,524,470.56
  5. Step 5: Solve for x
    x = 482,092,524,470.56/776,525.58
  6. Step 6: Final answer
    x = 620,832.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.