Home / 780,668.62-1,077,308.68-441,129.58

Finding the Fourth Proportional to 780,668.62, 1,077,308.68 and 441,129.58

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Solution

The fourth proportional to 780,668.62, 1,077,308.68 and 441,129.58 is: 608,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,668.62 : 1,077,308.68 = 441,129.58 : x
  2. Step 2: Convert to fraction form
    780,668.62/1,077,308.68 = 441,129.58/x
  3. Step 3: Cross multiply
    780,668.62x = 1,077,308.68 × 441,129.58
  4. Step 4: Simplify right side
    780,668.62x = 475,232,725,538.75
  5. Step 5: Solve for x
    x = 475,232,725,538.75/780,668.62
  6. Step 6: Final answer
    x = 608,750.90

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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.