Home / 654,071.28-902,613.96-382,131.60

Finding the Fourth Proportional to 654,071.28, 902,613.96 and 382,131.60

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Solution

The fourth proportional to 654,071.28, 902,613.96 and 382,131.60 is: 527,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,071.28 : 902,613.96 = 382,131.60 : x
  2. Step 2: Convert to fraction form
    654,071.28/902,613.96 = 382,131.60/x
  3. Step 3: Cross multiply
    654,071.28x = 902,613.96 × 382,131.60
  4. Step 4: Simplify right side
    654,071.28x = 344,917,316,717.14
  5. Step 5: Solve for x
    x = 344,917,316,717.14/654,071.28
  6. Step 6: Final answer
    x = 527,339.03

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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.