Home / 856,379.71-1,181,787.73-474,409.63

Finding the Fourth Proportional to 856,379.71, 1,181,787.73 and 474,409.63

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Solution

The fourth proportional to 856,379.71, 1,181,787.73 and 474,409.63 is: 654,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,379.71 : 1,181,787.73 = 474,409.63 : x
  2. Step 2: Convert to fraction form
    856,379.71/1,181,787.73 = 474,409.63/x
  3. Step 3: Cross multiply
    856,379.71x = 1,181,787.73 × 474,409.63
  4. Step 4: Simplify right side
    856,379.71x = 560,651,479,727.84
  5. Step 5: Solve for x
    x = 560,651,479,727.84/856,379.71
  6. Step 6: Final answer
    x = 654,676.28

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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.