Home / 727,834.58-1,004,415.71-422,092.24

Finding the Fourth Proportional to 727,834.58, 1,004,415.71 and 422,092.24

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Solution

The fourth proportional to 727,834.58, 1,004,415.71 and 422,092.24 is: 582,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,834.58 : 1,004,415.71 = 422,092.24 : x
  2. Step 2: Convert to fraction form
    727,834.58/1,004,415.71 = 422,092.24/x
  3. Step 3: Cross multiply
    727,834.58x = 1,004,415.71 × 422,092.24
  4. Step 4: Simplify right side
    727,834.58x = 423,956,076,925.09
  5. Step 5: Solve for x
    x = 423,956,076,925.09/727,834.58
  6. Step 6: Final answer
    x = 582,489.60

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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.