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Finding the Fourth Proportional to 654,343.82, 902,995.88 and 367,866.26

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Solution

The fourth proportional to 654,343.82, 902,995.88 and 367,866.26 is: 507,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,343.82 : 902,995.88 = 367,866.26 : x
  2. Step 2: Convert to fraction form
    654,343.82/902,995.88 = 367,866.26/x
  3. Step 3: Cross multiply
    654,343.82x = 902,995.88 × 367,866.26
  4. Step 4: Simplify right side
    654,343.82x = 332,181,710,816.70
  5. Step 5: Solve for x
    x = 332,181,710,816.70/654,343.82
  6. Step 6: Final answer
    x = 507,656.22

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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.