Home / 762,668.56-1,144,004.24-313,076.08

Finding the Fourth Proportional to 762,668.56, 1,144,004.24 and 313,076.08

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Solution

The fourth proportional to 762,668.56, 1,144,004.24 and 313,076.08 is: 469,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,668.56 : 1,144,004.24 = 313,076.08 : x
  2. Step 2: Convert to fraction form
    762,668.56/1,144,004.24 = 313,076.08/x
  3. Step 3: Cross multiply
    762,668.56x = 1,144,004.24 × 313,076.08
  4. Step 4: Simplify right side
    762,668.56x = 358,160,362,962.58
  5. Step 5: Solve for x
    x = 358,160,362,962.58/762,668.56
  6. Step 6: Final answer
    x = 469,614.69

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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.