Home / 675,274.40-1,012,911.61-275,914.81

Finding the Fourth Proportional to 675,274.40, 1,012,911.61 and 275,914.81

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Solution

The fourth proportional to 675,274.40, 1,012,911.61 and 275,914.81 is: 413,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,274.40 : 1,012,911.61 = 275,914.81 : x
  2. Step 2: Convert to fraction form
    675,274.40/1,012,911.61 = 275,914.81/x
  3. Step 3: Cross multiply
    675,274.40x = 1,012,911.61 × 275,914.81
  4. Step 4: Simplify right side
    675,274.40x = 279,477,309,040.00
  5. Step 5: Solve for x
    x = 279,477,309,040.00/675,274.40
  6. Step 6: Final answer
    x = 413,872.21

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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.