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Finding the Fourth Proportional to 723,651.37, 997,985.41 and 451,744.49

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Solution

The fourth proportional to 723,651.37, 997,985.41 and 451,744.49 is: 622,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,651.37 : 997,985.41 = 451,744.49 : x
  2. Step 2: Convert to fraction form
    723,651.37/997,985.41 = 451,744.49/x
  3. Step 3: Cross multiply
    723,651.37x = 997,985.41 × 451,744.49
  4. Step 4: Simplify right side
    723,651.37x = 450,834,411,433.49
  5. Step 5: Solve for x
    x = 450,834,411,433.49/723,651.37
  6. Step 6: Final answer
    x = 622,999.46

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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.