Home / 858,401.76-1,287,832.26-297,436.26

Finding the Fourth Proportional to 858,401.76, 1,287,832.26 and 297,436.26

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Solution

The fourth proportional to 858,401.76, 1,287,832.26 and 297,436.26 is: 446,233.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,401.76 : 1,287,832.26 = 297,436.26 : x
  2. Step 2: Convert to fraction form
    858,401.76/1,287,832.26 = 297,436.26/x
  3. Step 3: Cross multiply
    858,401.76x = 1,287,832.26 × 297,436.26
  4. Step 4: Simplify right side
    858,401.76x = 383,048,010,921.75
  5. Step 5: Solve for x
    x = 383,048,010,921.75/858,401.76
  6. Step 6: Final answer
    x = 446,233.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.