Home / 738,137.10-1,107,205.65-731,138.70

Finding the Fourth Proportional to 738,137.10, 1,107,205.65 and 731,138.70

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Solution

The fourth proportional to 738,137.10, 1,107,205.65 and 731,138.70 is: 1,096,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,137.10 : 1,107,205.65 = 731,138.70 : x
  2. Step 2: Convert to fraction form
    738,137.10/1,107,205.65 = 731,138.70/x
  3. Step 3: Cross multiply
    738,137.10x = 1,107,205.65 × 731,138.70
  4. Step 4: Simplify right side
    738,137.10x = 809,520,899,573.66
  5. Step 5: Solve for x
    x = 809,520,899,573.66/738,137.10
  6. Step 6: Final answer
    x = 1,096,708.05

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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.