Home / 628,945.07-943,565.15-179,672.36

Finding the Fourth Proportional to 628,945.07, 943,565.15 and 179,672.36

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Solution

The fourth proportional to 628,945.07, 943,565.15 and 179,672.36 is: 269,550.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,945.07 : 943,565.15 = 179,672.36 : x
  2. Step 2: Convert to fraction form
    628,945.07/943,565.15 = 179,672.36/x
  3. Step 3: Cross multiply
    628,945.07x = 943,565.15 × 179,672.36
  4. Step 4: Simplify right side
    628,945.07x = 169,532,577,314.25
  5. Step 5: Solve for x
    x = 169,532,577,314.25/628,945.07
  6. Step 6: Final answer
    x = 269,550.69

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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.