Home / 754,110.46-1,040,679.21-409,947.06

Finding the Fourth Proportional to 754,110.46, 1,040,679.21 and 409,947.06

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Solution

The fourth proportional to 754,110.46, 1,040,679.21 and 409,947.06 is: 565,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,110.46 : 1,040,679.21 = 409,947.06 : x
  2. Step 2: Convert to fraction form
    754,110.46/1,040,679.21 = 409,947.06/x
  3. Step 3: Cross multiply
    754,110.46x = 1,040,679.21 × 409,947.06
  4. Step 4: Simplify right side
    754,110.46x = 426,623,376,314.36
  5. Step 5: Solve for x
    x = 426,623,376,314.36/754,110.46
  6. Step 6: Final answer
    x = 565,730.62

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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.