Home / 802,262.44-1,107,136.40-439,662.16

Finding the Fourth Proportional to 802,262.44, 1,107,136.40 and 439,662.16

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Solution

The fourth proportional to 802,262.44, 1,107,136.40 and 439,662.16 is: 606,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,262.44 : 1,107,136.40 = 439,662.16 : x
  2. Step 2: Convert to fraction form
    802,262.44/1,107,136.40 = 439,662.16/x
  3. Step 3: Cross multiply
    802,262.44x = 1,107,136.40 × 439,662.16
  4. Step 4: Simplify right side
    802,262.44x = 486,765,981,038.62
  5. Step 5: Solve for x
    x = 486,765,981,038.62/802,262.44
  6. Step 6: Final answer
    x = 606,741.58

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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.