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Finding the Fourth Proportional to 507,682.80, 700,529.04 and 281,327.76

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Solution

The fourth proportional to 507,682.80, 700,529.04 and 281,327.76 is: 388,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,682.80 : 700,529.04 = 281,327.76 : x
  2. Step 2: Convert to fraction form
    507,682.80/700,529.04 = 281,327.76/x
  3. Step 3: Cross multiply
    507,682.80x = 700,529.04 × 281,327.76
  4. Step 4: Simplify right side
    507,682.80x = 197,078,265,638.15
  5. Step 5: Solve for x
    x = 197,078,265,638.15/507,682.80
  6. Step 6: Final answer
    x = 388,191.73

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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.