Home / 769,673.25-1,062,181.89-430,141.50

Finding the Fourth Proportional to 769,673.25, 1,062,181.89 and 430,141.50

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Solution

The fourth proportional to 769,673.25, 1,062,181.89 and 430,141.50 is: 593,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,673.25 : 1,062,181.89 = 430,141.50 : x
  2. Step 2: Convert to fraction form
    769,673.25/1,062,181.89 = 430,141.50/x
  3. Step 3: Cross multiply
    769,673.25x = 1,062,181.89 × 430,141.50
  4. Step 4: Simplify right side
    769,673.25x = 456,888,511,437.44
  5. Step 5: Solve for x
    x = 456,888,511,437.44/769,673.25
  6. Step 6: Final answer
    x = 593,613.60

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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.