Home / 754,019.74-1,040,520.90-414,485.56

Finding the Fourth Proportional to 754,019.74, 1,040,520.90 and 414,485.56

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Solution

The fourth proportional to 754,019.74, 1,040,520.90 and 414,485.56 is: 571,975.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,019.74 : 1,040,520.90 = 414,485.56 : x
  2. Step 2: Convert to fraction form
    754,019.74/1,040,520.90 = 414,485.56/x
  3. Step 3: Cross multiply
    754,019.74x = 1,040,520.90 × 414,485.56
  4. Step 4: Simplify right side
    754,019.74x = 431,280,887,928.20
  5. Step 5: Solve for x
    x = 431,280,887,928.20/754,019.74
  6. Step 6: Final answer
    x = 571,975.59

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Double scale
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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.