Home / 752,159.64-1,038,007.32-412,637.88

Finding the Fourth Proportional to 752,159.64, 1,038,007.32 and 412,637.88

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Solution

The fourth proportional to 752,159.64, 1,038,007.32 and 412,637.88 is: 569,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,159.64 : 1,038,007.32 = 412,637.88 : x
  2. Step 2: Convert to fraction form
    752,159.64/1,038,007.32 = 412,637.88/x
  3. Step 3: Cross multiply
    752,159.64x = 1,038,007.32 × 412,637.88
  4. Step 4: Simplify right side
    752,159.64x = 428,321,139,949.28
  5. Step 5: Solve for x
    x = 428,321,139,949.28/752,159.64
  6. Step 6: Final answer
    x = 569,455.10

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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.