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Finding the Fourth Proportional to 899,982, 1,349,306.64 and 544,912.56

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Solution

The fourth proportional to 899,982, 1,349,306.64 and 544,912.56 is: 816,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,982 : 1,349,306.64 = 544,912.56 : x
  2. Step 2: Convert to fraction form
    899,982/1,349,306.64 = 544,912.56/x
  3. Step 3: Cross multiply
    899,982x = 1,349,306.64 × 544,912.56
  4. Step 4: Simplify right side
    899,982x = 735,254,135,427.40
  5. Step 5: Solve for x
    x = 735,254,135,427.40/899,982
  6. Step 6: Final answer
    x = 816,965.38

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1.5x scale

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.