Home / 752,135.83-1,037,942.30-407,970.37

Finding the Fourth Proportional to 752,135.83, 1,037,942.30 and 407,970.37

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Solution

The fourth proportional to 752,135.83, 1,037,942.30 and 407,970.37 is: 562,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,135.83 : 1,037,942.30 = 407,970.37 : x
  2. Step 2: Convert to fraction form
    752,135.83/1,037,942.30 = 407,970.37/x
  3. Step 3: Cross multiply
    752,135.83x = 1,037,942.30 × 407,970.37
  4. Step 4: Simplify right side
    752,135.83x = 423,449,706,487.01
  5. Step 5: Solve for x
    x = 423,449,706,487.01/752,135.83
  6. Step 6: Final answer
    x = 562,996.32

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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.