Home / 752,345.03-1,038,236.09-430,062.05

Finding the Fourth Proportional to 752,345.03, 1,038,236.09 and 430,062.05

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Solution

The fourth proportional to 752,345.03, 1,038,236.09 and 430,062.05 is: 593,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,345.03 : 1,038,236.09 = 430,062.05 : x
  2. Step 2: Convert to fraction form
    752,345.03/1,038,236.09 = 430,062.05/x
  3. Step 3: Cross multiply
    752,345.03x = 1,038,236.09 × 430,062.05
  4. Step 4: Simplify right side
    752,345.03x = 446,505,933,907.89
  5. Step 5: Solve for x
    x = 446,505,933,907.89/752,345.03
  6. Step 6: Final answer
    x = 593,485.59

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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.