Home / 802,149.75-1,106,967.44-439,574.42

Finding the Fourth Proportional to 802,149.75, 1,106,967.44 and 439,574.42

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Solution

The fourth proportional to 802,149.75, 1,106,967.44 and 439,574.42 is: 606,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,149.75 : 1,106,967.44 = 439,574.42 : x
  2. Step 2: Convert to fraction form
    802,149.75/1,106,967.44 = 439,574.42/x
  3. Step 3: Cross multiply
    802,149.75x = 1,106,967.44 × 439,574.42
  4. Step 4: Simplify right side
    802,149.75x = 486,594,562,664.18
  5. Step 5: Solve for x
    x = 486,594,562,664.18/802,149.75
  6. Step 6: Final answer
    x = 606,613.12

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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.