Home / 752,806.14-1,038,738.42-426,117.60

Finding the Fourth Proportional to 752,806.14, 1,038,738.42 and 426,117.60

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Solution

The fourth proportional to 752,806.14, 1,038,738.42 and 426,117.60 is: 587,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,806.14 : 1,038,738.42 = 426,117.60 : x
  2. Step 2: Convert to fraction form
    752,806.14/1,038,738.42 = 426,117.60/x
  3. Step 3: Cross multiply
    752,806.14x = 1,038,738.42 × 426,117.60
  4. Step 4: Simplify right side
    752,806.14x = 442,624,722,558.19
  5. Step 5: Solve for x
    x = 442,624,722,558.19/752,806.14
  6. Step 6: Final answer
    x = 587,966.41

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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.