Home / 768,218.58-1,060,141.84-424,054.72

Finding the Fourth Proportional to 768,218.58, 1,060,141.84 and 424,054.72

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Solution

The fourth proportional to 768,218.58, 1,060,141.84 and 424,054.72 is: 585,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,218.58 : 1,060,141.84 = 424,054.72 : x
  2. Step 2: Convert to fraction form
    768,218.58/1,060,141.84 = 424,054.72/x
  3. Step 3: Cross multiply
    768,218.58x = 1,060,141.84 × 424,054.72
  4. Step 4: Simplify right side
    768,218.58x = 449,558,147,286.72
  5. Step 5: Solve for x
    x = 449,558,147,286.72/768,218.58
  6. Step 6: Final answer
    x = 585,195.62

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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.