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Finding the Fourth Proportional to 602,520.62, 831,450.39 and 330,582.38

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Solution

The fourth proportional to 602,520.62, 831,450.39 and 330,582.38 is: 456,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,520.62 : 831,450.39 = 330,582.38 : x
  2. Step 2: Convert to fraction form
    602,520.62/831,450.39 = 330,582.38/x
  3. Step 3: Cross multiply
    602,520.62x = 831,450.39 × 330,582.38
  4. Step 4: Simplify right side
    602,520.62x = 274,862,848,778.13
  5. Step 5: Solve for x
    x = 274,862,848,778.13/602,520.62
  6. Step 6: Final answer
    x = 456,188.29

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1.5x scale

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.