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Finding the Fourth Proportional to 600,272.10, 828,446.94 and 345,672.90

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Solution

The fourth proportional to 600,272.10, 828,446.94 and 345,672.90 is: 477,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,272.10 : 828,446.94 = 345,672.90 : x
  2. Step 2: Convert to fraction form
    600,272.10/828,446.94 = 345,672.90/x
  3. Step 3: Cross multiply
    600,272.10x = 828,446.94 × 345,672.90
  4. Step 4: Simplify right side
    600,272.10x = 286,371,656,245.93
  5. Step 5: Solve for x
    x = 286,371,656,245.93/600,272.10
  6. Step 6: Final answer
    x = 477,069.74

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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.