Home / 720,759.35-1,081,149.51-188,280.44

Finding the Fourth Proportional to 720,759.35, 1,081,149.51 and 188,280.44

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Solution

The fourth proportional to 720,759.35, 1,081,149.51 and 188,280.44 is: 282,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,759.35 : 1,081,149.51 = 188,280.44 : x
  2. Step 2: Convert to fraction form
    720,759.35/1,081,149.51 = 188,280.44/x
  3. Step 3: Cross multiply
    720,759.35x = 1,081,149.51 × 188,280.44
  4. Step 4: Simplify right side
    720,759.35x = 203,559,305,448.58
  5. Step 5: Solve for x
    x = 203,559,305,448.58/720,759.35
  6. Step 6: Final answer
    x = 282,423.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.