Home / 752,696.31-1,038,690.48-451,056.63

Finding the Fourth Proportional to 752,696.31, 1,038,690.48 and 451,056.63

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Solution

The fourth proportional to 752,696.31, 1,038,690.48 and 451,056.63 is: 622,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,696.31 : 1,038,690.48 = 451,056.63 : x
  2. Step 2: Convert to fraction form
    752,696.31/1,038,690.48 = 451,056.63/x
  3. Step 3: Cross multiply
    752,696.31x = 1,038,690.48 × 451,056.63
  4. Step 4: Simplify right side
    752,696.31x = 468,508,227,521.88
  5. Step 5: Solve for x
    x = 468,508,227,521.88/752,696.31
  6. Step 6: Final answer
    x = 622,439.92

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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.