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Finding the Fourth Proportional to 602,606.96, 831,595.32 and 330,679.44

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Solution

The fourth proportional to 602,606.96, 831,595.32 and 330,679.44 is: 456,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,606.96 : 831,595.32 = 330,679.44 : x
  2. Step 2: Convert to fraction form
    602,606.96/831,595.32 = 330,679.44/x
  3. Step 3: Cross multiply
    602,606.96x = 831,595.32 × 330,679.44
  4. Step 4: Simplify right side
    602,606.96x = 274,991,474,724.22
  5. Step 5: Solve for x
    x = 274,991,474,724.22/602,606.96
  6. Step 6: Final answer
    x = 456,336.37

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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.