Home / 648,261.72-894,646.08-361,837.80

Finding the Fourth Proportional to 648,261.72, 894,646.08 and 361,837.80

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Solution

The fourth proportional to 648,261.72, 894,646.08 and 361,837.80 is: 499,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,261.72 : 894,646.08 = 361,837.80 : x
  2. Step 2: Convert to fraction form
    648,261.72/894,646.08 = 361,837.80/x
  3. Step 3: Cross multiply
    648,261.72x = 894,646.08 × 361,837.80
  4. Step 4: Simplify right side
    648,261.72x = 323,716,769,365.82
  5. Step 5: Solve for x
    x = 323,716,769,365.82/648,261.72
  6. Step 6: Final answer
    x = 499,361.23

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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.