Home / 802,550.64-1,107,512.82-439,967.91

Finding the Fourth Proportional to 802,550.64, 1,107,512.82 and 439,967.91

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Solution

The fourth proportional to 802,550.64, 1,107,512.82 and 439,967.91 is: 607,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,550.64 : 1,107,512.82 = 439,967.91 : x
  2. Step 2: Convert to fraction form
    802,550.64/1,107,512.82 = 439,967.91/x
  3. Step 3: Cross multiply
    802,550.64x = 1,107,512.82 × 439,967.91
  4. Step 4: Simplify right side
    802,550.64x = 487,270,100,713.61
  5. Step 5: Solve for x
    x = 487,270,100,713.61/802,550.64
  6. Step 6: Final answer
    x = 607,151.84

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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.