Finding the Fourth Proportional to 617,958.70, 926,419.65 and 322,470.70
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Solution
The fourth proportional to 617,958.70, 926,419.65 and 322,470.70 is: 483,435.53
Step by Step Solution
- Step 1: Write the proportion equation
617,958.70 : 926,419.65 = 322,470.70 : x - Step 2: Convert to fraction form
617,958.70/926,419.65 = 322,470.70/x - Step 3: Cross multiply
617,958.70x = 926,419.65 × 322,470.70 - Step 4: Simplify right side
617,958.70x = 298,743,193,029.26 - Step 5: Solve for x
x = 298,743,193,029.26/617,958.70 - Step 6: Final answer
x = 483,435.53
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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.