Home / 829,939.85-1,145,336.52-462,441.84

Finding the Fourth Proportional to 829,939.85, 1,145,336.52 and 462,441.84

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Solution

The fourth proportional to 829,939.85, 1,145,336.52 and 462,441.84 is: 638,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,939.85 : 1,145,336.52 = 462,441.84 : x
  2. Step 2: Convert to fraction form
    829,939.85/1,145,336.52 = 462,441.84/x
  3. Step 3: Cross multiply
    829,939.85x = 1,145,336.52 × 462,441.84
  4. Step 4: Simplify right side
    829,939.85x = 529,651,527,728.00
  5. Step 5: Solve for x
    x = 529,651,527,728.00/829,939.85
  6. Step 6: Final answer
    x = 638,180.62

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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.