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Finding the Fourth Proportional to 662,910.94, 994,405.70 and 207,587.32

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Solution

The fourth proportional to 662,910.94, 994,405.70 and 207,587.32 is: 311,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,910.94 : 994,405.70 = 207,587.32 : x
  2. Step 2: Convert to fraction form
    662,910.94/994,405.70 = 207,587.32/x
  3. Step 3: Cross multiply
    662,910.94x = 994,405.70 × 207,587.32
  4. Step 4: Simplify right side
    662,910.94x = 206,426,014,255.72
  5. Step 5: Solve for x
    x = 206,426,014,255.72/662,910.94
  6. Step 6: Final answer
    x = 311,393.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.