Home / 672,976.74-1,009,655.79-273,903.90

Finding the Fourth Proportional to 672,976.74, 1,009,655.79 and 273,903.90

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Solution

The fourth proportional to 672,976.74, 1,009,655.79 and 273,903.90 is: 410,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,976.74 : 1,009,655.79 = 273,903.90 : x
  2. Step 2: Convert to fraction form
    672,976.74/1,009,655.79 = 273,903.90/x
  3. Step 3: Cross multiply
    672,976.74x = 1,009,655.79 × 273,903.90
  4. Step 4: Simplify right side
    672,976.74x = 276,548,658,538.58
  5. Step 5: Solve for x
    x = 276,548,658,538.58/672,976.74
  6. Step 6: Final answer
    x = 410,933.46

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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.