Home / 775,029.68-1,070,062.86-693,103.76

Finding the Fourth Proportional to 775,029.68, 1,070,062.86 and 693,103.76

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Solution

The fourth proportional to 775,029.68, 1,070,062.86 and 693,103.76 is: 956,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,029.68 : 1,070,062.86 = 693,103.76 : x
  2. Step 2: Convert to fraction form
    775,029.68/1,070,062.86 = 693,103.76/x
  3. Step 3: Cross multiply
    775,029.68x = 1,070,062.86 × 693,103.76
  4. Step 4: Simplify right side
    775,029.68x = 741,664,591,702.35
  5. Step 5: Solve for x
    x = 741,664,591,702.35/775,029.68
  6. Step 6: Final answer
    x = 956,949.92

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1.5x scale

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.