Home / 808,037.26-1,212,412.94-423,694.34

Finding the Fourth Proportional to 808,037.26, 1,212,412.94 and 423,694.34

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Solution

The fourth proportional to 808,037.26, 1,212,412.94 and 423,694.34 is: 635,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,037.26 : 1,212,412.94 = 423,694.34 : x
  2. Step 2: Convert to fraction form
    808,037.26/1,212,412.94 = 423,694.34/x
  3. Step 3: Cross multiply
    808,037.26x = 1,212,412.94 × 423,694.34
  4. Step 4: Simplify right side
    808,037.26x = 513,692,500,420.76
  5. Step 5: Solve for x
    x = 513,692,500,420.76/808,037.26
  6. Step 6: Final answer
    x = 635,728.73

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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.