Home / 712,414.24-1,068,676.86-206,983.40

Finding the Fourth Proportional to 712,414.24, 1,068,676.86 and 206,983.40

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Solution

The fourth proportional to 712,414.24, 1,068,676.86 and 206,983.40 is: 310,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,414.24 : 1,068,676.86 = 206,983.40 : x
  2. Step 2: Convert to fraction form
    712,414.24/1,068,676.86 = 206,983.40/x
  3. Step 3: Cross multiply
    712,414.24x = 1,068,676.86 × 206,983.40
  4. Step 4: Simplify right side
    712,414.24x = 221,198,369,984.12
  5. Step 5: Solve for x
    x = 221,198,369,984.12/712,414.24
  6. Step 6: Final answer
    x = 310,491.22

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1.5x scale

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.