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Finding the Fourth Proportional to 835,652.54, 1,252,998.02 and 445,677.84

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Solution

The fourth proportional to 835,652.54, 1,252,998.02 and 445,677.84 is: 668,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,652.54 : 1,252,998.02 = 445,677.84 : x
  2. Step 2: Convert to fraction form
    835,652.54/1,252,998.02 = 445,677.84/x
  3. Step 3: Cross multiply
    835,652.54x = 1,252,998.02 × 445,677.84
  4. Step 4: Simplify right side
    835,652.54x = 558,433,451,077.88
  5. Step 5: Solve for x
    x = 558,433,451,077.88/835,652.54
  6. Step 6: Final answer
    x = 668,260.34

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1.5x scale

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.