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Finding the Fourth Proportional to 453,720.64, 626,197.44 and 262,793.92

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Solution

The fourth proportional to 453,720.64, 626,197.44 and 262,793.92 is: 362,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,720.64 : 626,197.44 = 262,793.92 : x
  2. Step 2: Convert to fraction form
    453,720.64/626,197.44 = 262,793.92/x
  3. Step 3: Cross multiply
    453,720.64x = 626,197.44 × 262,793.92
  4. Step 4: Simplify right side
    453,720.64x = 164,560,879,951.57
  5. Step 5: Solve for x
    x = 164,560,879,951.57/453,720.64
  6. Step 6: Final answer
    x = 362,692.07

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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.