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Finding the Fourth Proportional to 666,022.92, 919,097.92 and 364,216.92

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Solution

The fourth proportional to 666,022.92, 919,097.92 and 364,216.92 is: 502,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,022.92 : 919,097.92 = 364,216.92 : x
  2. Step 2: Convert to fraction form
    666,022.92/919,097.92 = 364,216.92/x
  3. Step 3: Cross multiply
    666,022.92x = 919,097.92 × 364,216.92
  4. Step 4: Simplify right side
    666,022.92x = 334,751,013,600.81
  5. Step 5: Solve for x
    x = 334,751,013,600.81/666,022.92
  6. Step 6: Final answer
    x = 502,611.85

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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.