Home / 928,771.16-1,393,285.86-329,589.86

Finding the Fourth Proportional to 928,771.16, 1,393,285.86 and 329,589.86

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Solution

The fourth proportional to 928,771.16, 1,393,285.86 and 329,589.86 is: 494,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,771.16 : 1,393,285.86 = 329,589.86 : x
  2. Step 2: Convert to fraction form
    928,771.16/1,393,285.86 = 329,589.86/x
  3. Step 3: Cross multiply
    928,771.16x = 1,393,285.86 × 329,589.86
  4. Step 4: Simplify right side
    928,771.16x = 459,212,884,570.95
  5. Step 5: Solve for x
    x = 459,212,884,570.95/928,771.16
  6. Step 6: Final answer
    x = 494,430.61

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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.