Home / 754,565.85-1,040,993.60-427,810.05

Finding the Fourth Proportional to 754,565.85, 1,040,993.60 and 427,810.05

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Solution

The fourth proportional to 754,565.85, 1,040,993.60 and 427,810.05 is: 590,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,565.85 : 1,040,993.60 = 427,810.05 : x
  2. Step 2: Convert to fraction form
    754,565.85/1,040,993.60 = 427,810.05/x
  3. Step 3: Cross multiply
    754,565.85x = 1,040,993.60 × 427,810.05
  4. Step 4: Simplify right side
    754,565.85x = 445,347,521,926.63
  5. Step 5: Solve for x
    x = 445,347,521,926.63/754,565.85
  6. Step 6: Final answer
    x = 590,203.65

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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.