Home / 971,709.75-1,340,955.99-541,989.57

Finding the Fourth Proportional to 971,709.75, 1,340,955.99 and 541,989.57

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Solution

The fourth proportional to 971,709.75, 1,340,955.99 and 541,989.57 is: 747,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,709.75 : 1,340,955.99 = 541,989.57 : x
  2. Step 2: Convert to fraction form
    971,709.75/1,340,955.99 = 541,989.57/x
  3. Step 3: Cross multiply
    971,709.75x = 1,340,955.99 × 541,989.57
  4. Step 4: Simplify right side
    971,709.75x = 726,784,160,409.02
  5. Step 5: Solve for x
    x = 726,784,160,409.02/971,709.75
  6. Step 6: Final answer
    x = 747,943.67

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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.