Home / 774,103.40-1,068,315.18-582,813.80

Finding the Fourth Proportional to 774,103.40, 1,068,315.18 and 582,813.80

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Solution

The fourth proportional to 774,103.40, 1,068,315.18 and 582,813.80 is: 804,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,103.40 : 1,068,315.18 = 582,813.80 : x
  2. Step 2: Convert to fraction form
    774,103.40/1,068,315.18 = 582,813.80/x
  3. Step 3: Cross multiply
    774,103.40x = 1,068,315.18 × 582,813.80
  4. Step 4: Simplify right side
    774,103.40x = 622,628,829,653.48
  5. Step 5: Solve for x
    x = 622,628,829,653.48/774,103.40
  6. Step 6: Final answer
    x = 804,322.56

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Double scale
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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.