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Finding the Fourth Proportional to 602,310.54, 831,571.36 and 537,666.48

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Solution

The fourth proportional to 602,310.54, 831,571.36 and 537,666.48 is: 742,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,310.54 : 831,571.36 = 537,666.48 : x
  2. Step 2: Convert to fraction form
    602,310.54/831,571.36 = 537,666.48/x
  3. Step 3: Cross multiply
    602,310.54x = 831,571.36 × 537,666.48
  4. Step 4: Simplify right side
    602,310.54x = 447,108,046,000.01
  5. Step 5: Solve for x
    x = 447,108,046,000.01/602,310.54
  6. Step 6: Final answer
    x = 742,321.47

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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.