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Finding the Fourth Proportional to 610,880.94, 843,062.04 and 339,000.39

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Solution

The fourth proportional to 610,880.94, 843,062.04 and 339,000.39 is: 467,846.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,880.94 : 843,062.04 = 339,000.39 : x
  2. Step 2: Convert to fraction form
    610,880.94/843,062.04 = 339,000.39/x
  3. Step 3: Cross multiply
    610,880.94x = 843,062.04 × 339,000.39
  4. Step 4: Simplify right side
    610,880.94x = 285,798,360,354.20
  5. Step 5: Solve for x
    x = 285,798,360,354.20/610,880.94
  6. Step 6: Final answer
    x = 467,846.26

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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.