Home / 752,318.79-1,038,199.94-430,035.87

Finding the Fourth Proportional to 752,318.79, 1,038,199.94 and 430,035.87

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Solution

The fourth proportional to 752,318.79, 1,038,199.94 and 430,035.87 is: 593,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,318.79 : 1,038,199.94 = 430,035.87 : x
  2. Step 2: Convert to fraction form
    752,318.79/1,038,199.94 = 430,035.87/x
  3. Step 3: Cross multiply
    752,318.79x = 1,038,199.94 × 430,035.87
  4. Step 4: Simplify right side
    752,318.79x = 446,463,214,431.85
  5. Step 5: Solve for x
    x = 446,463,214,431.85/752,318.79
  6. Step 6: Final answer
    x = 593,449.51

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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.