Finding the Fourth Proportional to 627,802.18, 866,349.21 and 341,315.62
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Solution
The fourth proportional to 627,802.18, 866,349.21 and 341,315.62 is: 471,005.88
Step by Step Solution
- Step 1: Write the proportion equation
627,802.18 : 866,349.21 = 341,315.62 : x - Step 2: Convert to fraction form
627,802.18/866,349.21 = 341,315.62/x - Step 3: Cross multiply
627,802.18x = 866,349.21 × 341,315.62 - Step 4: Simplify right side
627,802.18x = 295,698,517,747.66 - Step 5: Solve for x
x = 295,698,517,747.66/627,802.18 - Step 6: Final answer
x = 471,005.88
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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.