Home / 675,991.28-1,014,515.32-297,173.72

Finding the Fourth Proportional to 675,991.28, 1,014,515.32 and 297,173.72

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Solution

The fourth proportional to 675,991.28, 1,014,515.32 and 297,173.72 is: 445,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,991.28 : 1,014,515.32 = 297,173.72 : x
  2. Step 2: Convert to fraction form
    675,991.28/1,014,515.32 = 297,173.72/x
  3. Step 3: Cross multiply
    675,991.28x = 1,014,515.32 × 297,173.72
  4. Step 4: Simplify right side
    675,991.28x = 301,487,291,641.39
  5. Step 5: Solve for x
    x = 301,487,291,641.39/675,991.28
  6. Step 6: Final answer
    x = 445,992.87

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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.