Home / 802,263.44-1,107,137.78-439,663.16

Finding the Fourth Proportional to 802,263.44, 1,107,137.78 and 439,663.16

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Solution

The fourth proportional to 802,263.44, 1,107,137.78 and 439,663.16 is: 606,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,263.44 : 1,107,137.78 = 439,663.16 : x
  2. Step 2: Convert to fraction form
    802,263.44/1,107,137.78 = 439,663.16/x
  3. Step 3: Cross multiply
    802,263.44x = 1,107,137.78 × 439,663.16
  4. Step 4: Simplify right side
    802,263.44x = 486,767,694,910.19
  5. Step 5: Solve for x
    x = 486,767,694,910.19/802,263.44
  6. Step 6: Final answer
    x = 606,742.96

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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.