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Finding the Fourth Proportional to 602,688.05, 831,706.89 and 330,760.34

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Solution

The fourth proportional to 602,688.05, 831,706.89 and 330,760.34 is: 456,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,688.05 : 831,706.89 = 330,760.34 : x
  2. Step 2: Convert to fraction form
    602,688.05/831,706.89 = 330,760.34/x
  3. Step 3: Cross multiply
    602,688.05x = 831,706.89 × 330,760.34
  4. Step 4: Simplify right side
    602,688.05x = 275,095,647,904.41
  5. Step 5: Solve for x
    x = 275,095,647,904.41/602,688.05
  6. Step 6: Final answer
    x = 456,447.83

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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.