Home / 834,140.50-1,251,308.05-301,912.18

Finding the Fourth Proportional to 834,140.50, 1,251,308.05 and 301,912.18

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Solution

The fourth proportional to 834,140.50, 1,251,308.05 and 301,912.18 is: 452,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,140.50 : 1,251,308.05 = 301,912.18 : x
  2. Step 2: Convert to fraction form
    834,140.50/1,251,308.05 = 301,912.18/x
  3. Step 3: Cross multiply
    834,140.50x = 1,251,308.05 × 301,912.18
  4. Step 4: Simplify right side
    834,140.50x = 377,785,137,344.00
  5. Step 5: Solve for x
    x = 377,785,137,344.00/834,140.50
  6. Step 6: Final answer
    x = 452,903.48

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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.