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Finding the Fourth Proportional to 602,529.30, 831,505.73 and 330,597.12

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Solution

The fourth proportional to 602,529.30, 831,505.73 and 330,597.12 is: 456,232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,529.30 : 831,505.73 = 330,597.12 : x
  2. Step 2: Convert to fraction form
    602,529.30/831,505.73 = 330,597.12/x
  3. Step 3: Cross multiply
    602,529.30x = 831,505.73 × 330,597.12
  4. Step 4: Simplify right side
    602,529.30x = 274,893,395,443.97
  5. Step 5: Solve for x
    x = 274,893,395,443.97/602,529.30
  6. Step 6: Final answer
    x = 456,232.42

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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.