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Finding the Fourth Proportional to 602,384.94, 831,297.63 and 330,453.36

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Solution

The fourth proportional to 602,384.94, 831,297.63 and 330,453.36 is: 456,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,384.94 : 831,297.63 = 330,453.36 : x
  2. Step 2: Convert to fraction form
    602,384.94/831,297.63 = 330,453.36/x
  3. Step 3: Cross multiply
    602,384.94x = 831,297.63 × 330,453.36
  4. Step 4: Simplify right side
    602,384.94x = 274,705,094,993.54
  5. Step 5: Solve for x
    x = 274,705,094,993.54/602,384.94
  6. Step 6: Final answer
    x = 456,029.15

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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.