Home / 752,908.48-1,038,878.16-426,219.28

Finding the Fourth Proportional to 752,908.48, 1,038,878.16 and 426,219.28

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Solution

The fourth proportional to 752,908.48, 1,038,878.16 and 426,219.28 is: 588,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,908.48 : 1,038,878.16 = 426,219.28 : x
  2. Step 2: Convert to fraction form
    752,908.48/1,038,878.16 = 426,219.28/x
  3. Step 3: Cross multiply
    752,908.48x = 1,038,878.16 × 426,219.28
  4. Step 4: Simplify right side
    752,908.48x = 442,789,901,362.93
  5. Step 5: Solve for x
    x = 442,789,901,362.93/752,908.48
  6. Step 6: Final answer
    x = 588,105.88

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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.