Home / 752,134.29-1,037,939.22-407,969.36

Finding the Fourth Proportional to 752,134.29, 1,037,939.22 and 407,969.36

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Solution

The fourth proportional to 752,134.29, 1,037,939.22 and 407,969.36 is: 562,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,134.29 : 1,037,939.22 = 407,969.36 : x
  2. Step 2: Convert to fraction form
    752,134.29/1,037,939.22 = 407,969.36/x
  3. Step 3: Cross multiply
    752,134.29x = 1,037,939.22 × 407,969.36
  4. Step 4: Simplify right side
    752,134.29x = 423,447,394,112.60
  5. Step 5: Solve for x
    x = 423,447,394,112.60/752,134.29
  6. Step 6: Final answer
    x = 562,994.40

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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.