Home / 786,664.40-1,179,305.40-471,246.80

Finding the Fourth Proportional to 786,664.40, 1,179,305.40 and 471,246.80

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Solution

The fourth proportional to 786,664.40, 1,179,305.40 and 471,246.80 is: 706,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,664.40 : 1,179,305.40 = 471,246.80 : x
  2. Step 2: Convert to fraction form
    786,664.40/1,179,305.40 = 471,246.80/x
  3. Step 3: Cross multiply
    786,664.40x = 1,179,305.40 × 471,246.80
  4. Step 4: Simplify right side
    786,664.40x = 555,743,895,972.72
  5. Step 5: Solve for x
    x = 555,743,895,972.72/786,664.40
  6. Step 6: Final answer
    x = 706,456.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.