Home / 752,485.22-1,038,375.69-430,208.90

Finding the Fourth Proportional to 752,485.22, 1,038,375.69 and 430,208.90

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Solution

The fourth proportional to 752,485.22, 1,038,375.69 and 430,208.90 is: 593,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,485.22 : 1,038,375.69 = 430,208.90 : x
  2. Step 2: Convert to fraction form
    752,485.22/1,038,375.69 = 430,208.90/x
  3. Step 3: Cross multiply
    752,485.22x = 1,038,375.69 × 430,208.90
  4. Step 4: Simplify right side
    752,485.22x = 446,718,463,381.64
  5. Step 5: Solve for x
    x = 446,718,463,381.64/752,485.22
  6. Step 6: Final answer
    x = 593,657.46

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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.