Home / 802,578.56-1,107,558.15-439,994.64

Finding the Fourth Proportional to 802,578.56, 1,107,558.15 and 439,994.64

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Solution

The fourth proportional to 802,578.56, 1,107,558.15 and 439,994.64 is: 607,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,578.56 : 1,107,558.15 = 439,994.64 : x
  2. Step 2: Convert to fraction form
    802,578.56/1,107,558.15 = 439,994.64/x
  3. Step 3: Cross multiply
    802,578.56x = 1,107,558.15 × 439,994.64
  4. Step 4: Simplify right side
    802,578.56x = 487,319,651,991.68
  5. Step 5: Solve for x
    x = 487,319,651,991.68/802,578.56
  6. Step 6: Final answer
    x = 607,192.46

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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.