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Finding the Fourth Proportional to 602,270.53, 831,186.65 and 330,391.44

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Solution

The fourth proportional to 602,270.53, 831,186.65 and 330,391.44 is: 455,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,270.53 : 831,186.65 = 330,391.44 : x
  2. Step 2: Convert to fraction form
    602,270.53/831,186.65 = 330,391.44/x
  3. Step 3: Cross multiply
    602,270.53x = 831,186.65 × 330,391.44
  4. Step 4: Simplify right side
    602,270.53x = 274,616,955,028.26
  5. Step 5: Solve for x
    x = 274,616,955,028.26/602,270.53
  6. Step 6: Final answer
    x = 455,969.44

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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.