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Finding the Fourth Proportional to 602,268.53, 831,131.78 and 330,338.66

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Solution

The fourth proportional to 602,268.53, 831,131.78 and 330,338.66 is: 455,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,268.53 : 831,131.78 = 330,338.66 : x
  2. Step 2: Convert to fraction form
    602,268.53/831,131.78 = 330,338.66/x
  3. Step 3: Cross multiply
    602,268.53x = 831,131.78 × 330,338.66
  4. Step 4: Simplify right side
    602,268.53x = 274,554,952,681.26
  5. Step 5: Solve for x
    x = 274,554,952,681.26/602,268.53
  6. Step 6: Final answer
    x = 455,868.01

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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.