Home / 804,987.18-1,110,639.42-482,579.64

Finding the Fourth Proportional to 804,987.18, 1,110,639.42 and 482,579.64

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Solution

The fourth proportional to 804,987.18, 1,110,639.42 and 482,579.64 is: 665,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,987.18 : 1,110,639.42 = 482,579.64 : x
  2. Step 2: Convert to fraction form
    804,987.18/1,110,639.42 = 482,579.64/x
  3. Step 3: Cross multiply
    804,987.18x = 1,110,639.42 × 482,579.64
  4. Step 4: Simplify right side
    804,987.18x = 535,971,971,473.41
  5. Step 5: Solve for x
    x = 535,971,971,473.41/804,987.18
  6. Step 6: Final answer
    x = 665,814.29

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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.