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Finding the Fourth Proportional to 602,265.37, 831,150.13 and 330,343.21

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Solution

The fourth proportional to 602,265.37, 831,150.13 and 330,343.21 is: 455,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,265.37 : 831,150.13 = 330,343.21 : x
  2. Step 2: Convert to fraction form
    602,265.37/831,150.13 = 330,343.21/x
  3. Step 3: Cross multiply
    602,265.37x = 831,150.13 × 330,343.21
  4. Step 4: Simplify right side
    602,265.37x = 274,564,802,135.97
  5. Step 5: Solve for x
    x = 274,564,802,135.97/602,265.37
  6. Step 6: Final answer
    x = 455,886.75

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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.