Home / 771,163.05-1,064,053.78-484,517.06

Finding the Fourth Proportional to 771,163.05, 1,064,053.78 and 484,517.06

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Solution

The fourth proportional to 771,163.05, 1,064,053.78 and 484,517.06 is: 668,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,163.05 : 1,064,053.78 = 484,517.06 : x
  2. Step 2: Convert to fraction form
    771,163.05/1,064,053.78 = 484,517.06/x
  3. Step 3: Cross multiply
    771,163.05x = 1,064,053.78 × 484,517.06
  4. Step 4: Simplify right side
    771,163.05x = 515,552,215,336.84
  5. Step 5: Solve for x
    x = 515,552,215,336.84/771,163.05
  6. Step 6: Final answer
    x = 668,538.53

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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.