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Finding the Fourth Proportional to 657,956.60, 984,602.10 and 448,004.60

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Solution

The fourth proportional to 657,956.60, 984,602.10 and 448,004.60 is: 670,418.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,956.60 : 984,602.10 = 448,004.60 : x
  2. Step 2: Convert to fraction form
    657,956.60/984,602.10 = 448,004.60/x
  3. Step 3: Cross multiply
    657,956.60x = 984,602.10 × 448,004.60
  4. Step 4: Simplify right side
    657,956.60x = 441,106,269,969.66
  5. Step 5: Solve for x
    x = 441,106,269,969.66/657,956.60
  6. Step 6: Final answer
    x = 670,418.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.