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Finding the Fourth Proportional to 602,273.28, 831,138.32 and 330,343.39

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Solution

The fourth proportional to 602,273.28, 831,138.32 and 330,343.39 is: 455,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,273.28 : 831,138.32 = 330,343.39 : x
  2. Step 2: Convert to fraction form
    602,273.28/831,138.32 = 330,343.39/x
  3. Step 3: Cross multiply
    602,273.28x = 831,138.32 × 330,343.39
  4. Step 4: Simplify right side
    602,273.28x = 274,561,050,187.71
  5. Step 5: Solve for x
    x = 274,561,050,187.71/602,273.28
  6. Step 6: Final answer
    x = 455,874.53

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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.