Home / 768,221.56-1,060,145.94-424,057.68

Finding the Fourth Proportional to 768,221.56, 1,060,145.94 and 424,057.68

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Solution

The fourth proportional to 768,221.56, 1,060,145.94 and 424,057.68 is: 585,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,221.56 : 1,060,145.94 = 424,057.68 : x
  2. Step 2: Convert to fraction form
    768,221.56/1,060,145.94 = 424,057.68/x
  3. Step 3: Cross multiply
    768,221.56x = 1,060,145.94 × 424,057.68
  4. Step 4: Simplify right side
    768,221.56x = 449,563,027,777.82
  5. Step 5: Solve for x
    x = 449,563,027,777.82/768,221.56
  6. Step 6: Final answer
    x = 585,199.70

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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.