Home / 752,230.86-1,038,096.82-412,699.11

Finding the Fourth Proportional to 752,230.86, 1,038,096.82 and 412,699.11

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Solution

The fourth proportional to 752,230.86, 1,038,096.82 and 412,699.11 is: 569,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,230.86 : 1,038,096.82 = 412,699.11 : x
  2. Step 2: Convert to fraction form
    752,230.86/1,038,096.82 = 412,699.11/x
  3. Step 3: Cross multiply
    752,230.86x = 1,038,096.82 × 412,699.11
  4. Step 4: Simplify right side
    752,230.86x = 428,421,633,707.83
  5. Step 5: Solve for x
    x = 428,421,633,707.83/752,230.86
  6. Step 6: Final answer
    x = 569,534.78

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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.