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Finding the Fourth Proportional to 666,358.08, 919,573.20 and 364,552.08

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Solution

The fourth proportional to 666,358.08, 919,573.20 and 364,552.08 is: 503,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,358.08 : 919,573.20 = 364,552.08 : x
  2. Step 2: Convert to fraction form
    666,358.08/919,573.20 = 364,552.08/x
  3. Step 3: Cross multiply
    666,358.08x = 919,573.20 × 364,552.08
  4. Step 4: Simplify right side
    666,358.08x = 335,232,322,772.26
  5. Step 5: Solve for x
    x = 335,232,322,772.26/666,358.08
  6. Step 6: Final answer
    x = 503,081.35

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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.