Home / 984,619.14-1,358,755.47-554,890.65

Finding the Fourth Proportional to 984,619.14, 1,358,755.47 and 554,890.65

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Solution

The fourth proportional to 984,619.14, 1,358,755.47 and 554,890.65 is: 765,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,619.14 : 1,358,755.47 = 554,890.65 : x
  2. Step 2: Convert to fraction form
    984,619.14/1,358,755.47 = 554,890.65/x
  3. Step 3: Cross multiply
    984,619.14x = 1,358,755.47 × 554,890.65
  4. Step 4: Simplify right side
    984,619.14x = 753,960,705,939.36
  5. Step 5: Solve for x
    x = 753,960,705,939.36/984,619.14
  6. Step 6: Final answer
    x = 765,738.42

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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.