Home / 752,502.64-1,038,158.05-430,039.75

Finding the Fourth Proportional to 752,502.64, 1,038,158.05 and 430,039.75

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Solution

The fourth proportional to 752,502.64, 1,038,158.05 and 430,039.75 is: 593,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,502.64 : 1,038,158.05 = 430,039.75 : x
  2. Step 2: Convert to fraction form
    752,502.64/1,038,158.05 = 430,039.75/x
  3. Step 3: Cross multiply
    752,502.64x = 1,038,158.05 × 430,039.75
  4. Step 4: Simplify right side
    752,502.64x = 446,449,228,282.49
  5. Step 5: Solve for x
    x = 446,449,228,282.49/752,502.64
  6. Step 6: Final answer
    x = 593,285.93

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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.