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Finding the Fourth Proportional to 624,346.36, 861,598.02 and 337,866.46

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Solution

The fourth proportional to 624,346.36, 861,598.02 and 337,866.46 is: 466,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,346.36 : 861,598.02 = 337,866.46 : x
  2. Step 2: Convert to fraction form
    624,346.36/861,598.02 = 337,866.46/x
  3. Step 3: Cross multiply
    624,346.36x = 861,598.02 × 337,866.46
  4. Step 4: Simplify right side
    624,346.36x = 291,105,072,960.41
  5. Step 5: Solve for x
    x = 291,105,072,960.41/624,346.36
  6. Step 6: Final answer
    x = 466,255.74

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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.