Home / 865,321.70-1,297,982.55-492,073.70

Finding the Fourth Proportional to 865,321.70, 1,297,982.55 and 492,073.70

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Solution

The fourth proportional to 865,321.70, 1,297,982.55 and 492,073.70 is: 738,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,321.70 : 1,297,982.55 = 492,073.70 : x
  2. Step 2: Convert to fraction form
    865,321.70/1,297,982.55 = 492,073.70/x
  3. Step 3: Cross multiply
    865,321.70x = 1,297,982.55 × 492,073.70
  4. Step 4: Simplify right side
    865,321.70x = 638,703,075,913.94
  5. Step 5: Solve for x
    x = 638,703,075,913.94/865,321.70
  6. Step 6: Final answer
    x = 738,110.55

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Similar ratio
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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.