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Finding the Fourth Proportional to 891,235.91, 1,337,247.53 and 359,794.91

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Solution

The fourth proportional to 891,235.91, 1,337,247.53 and 359,794.91 is: 539,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,235.91 : 1,337,247.53 = 359,794.91 : x
  2. Step 2: Convert to fraction form
    891,235.91/1,337,247.53 = 359,794.91/x
  3. Step 3: Cross multiply
    891,235.91x = 1,337,247.53 × 359,794.91
  4. Step 4: Simplify right side
    891,235.91x = 481,134,857,597.45
  5. Step 5: Solve for x
    x = 481,134,857,597.45/891,235.91
  6. Step 6: Final answer
    x = 539,851.29

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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.