Home / 971,628.66-1,340,847.40-541,899.57

Finding the Fourth Proportional to 971,628.66, 1,340,847.40 and 541,899.57

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Solution

The fourth proportional to 971,628.66, 1,340,847.40 and 541,899.57 is: 747,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,628.66 : 1,340,847.40 = 541,899.57 : x
  2. Step 2: Convert to fraction form
    971,628.66/1,340,847.40 = 541,899.57/x
  3. Step 3: Cross multiply
    971,628.66x = 1,340,847.40 × 541,899.57
  4. Step 4: Simplify right side
    971,628.66x = 726,604,628,140.87
  5. Step 5: Solve for x
    x = 726,604,628,140.87/971,628.66
  6. Step 6: Final answer
    x = 747,821.32

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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.