Home / 808,664.68-1,211,372.70-402,633.64

Finding the Fourth Proportional to 808,664.68, 1,211,372.70 and 402,633.64

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Solution

The fourth proportional to 808,664.68, 1,211,372.70 and 402,633.64 is: 603,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,664.68 : 1,211,372.70 = 402,633.64 : x
  2. Step 2: Convert to fraction form
    808,664.68/1,211,372.70 = 402,633.64/x
  3. Step 3: Cross multiply
    808,664.68x = 1,211,372.70 × 402,633.64
  4. Step 4: Simplify right side
    808,664.68x = 487,739,399,597.63
  5. Step 5: Solve for x
    x = 487,739,399,597.63/808,664.68
  6. Step 6: Final answer
    x = 603,141.71

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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.