Home / 834,434.88-1,250,579.34-378,693.24

Finding the Fourth Proportional to 834,434.88, 1,250,579.34 and 378,693.24

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Solution

The fourth proportional to 834,434.88, 1,250,579.34 and 378,693.24 is: 567,552.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,434.88 : 1,250,579.34 = 378,693.24 : x
  2. Step 2: Convert to fraction form
    834,434.88/1,250,579.34 = 378,693.24/x
  3. Step 3: Cross multiply
    834,434.88x = 1,250,579.34 × 378,693.24
  4. Step 4: Simplify right side
    834,434.88x = 473,585,942,141.66
  5. Step 5: Solve for x
    x = 473,585,942,141.66/834,434.88
  6. Step 6: Final answer
    x = 567,552.91

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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.