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Finding the Fourth Proportional to 455,433.96, 628,554.28 and 264,447.34

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Solution

The fourth proportional to 455,433.96, 628,554.28 and 264,447.34 is: 364,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,433.96 : 628,554.28 = 264,447.34 : x
  2. Step 2: Convert to fraction form
    455,433.96/628,554.28 = 264,447.34/x
  3. Step 3: Cross multiply
    455,433.96x = 628,554.28 × 264,447.34
  4. Step 4: Simplify right side
    455,433.96x = 166,219,507,391.62
  5. Step 5: Solve for x
    x = 166,219,507,391.62/455,433.96
  6. Step 6: Final answer
    x = 364,969.51

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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.