Home / 752,725.51-1,038,288.78-446,585.20

Finding the Fourth Proportional to 752,725.51, 1,038,288.78 and 446,585.20

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Solution

The fourth proportional to 752,725.51, 1,038,288.78 and 446,585.20 is: 616,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,725.51 : 1,038,288.78 = 446,585.20 : x
  2. Step 2: Convert to fraction form
    752,725.51/1,038,288.78 = 446,585.20/x
  3. Step 3: Cross multiply
    752,725.51x = 1,038,288.78 × 446,585.20
  4. Step 4: Simplify right side
    752,725.51x = 463,684,399,878.33
  5. Step 5: Solve for x
    x = 463,684,399,878.33/752,725.51
  6. Step 6: Final answer
    x = 616,007.29

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1.5x scale

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.