Home / 752,465.88-1,038,399.79-446,793.89

Finding the Fourth Proportional to 752,465.88, 1,038,399.79 and 446,793.89

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Solution

The fourth proportional to 752,465.88, 1,038,399.79 and 446,793.89 is: 616,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,465.88 : 1,038,399.79 = 446,793.89 : x
  2. Step 2: Convert to fraction form
    752,465.88/1,038,399.79 = 446,793.89/x
  3. Step 3: Cross multiply
    752,465.88x = 1,038,399.79 × 446,793.89
  4. Step 4: Simplify right side
    752,465.88x = 463,950,681,549.28
  5. Step 5: Solve for x
    x = 463,950,681,549.28/752,465.88
  6. Step 6: Final answer
    x = 616,573.71

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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.