Finding the Fourth Proportional to 627,396.08, 865,803.68 and 355,463.36
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Solution
The fourth proportional to 627,396.08, 865,803.68 and 355,463.36 is: 490,537.79
Step by Step Solution
- Step 1: Write the proportion equation
627,396.08 : 865,803.68 = 355,463.36 : x - Step 2: Convert to fraction form
627,396.08/865,803.68 = 355,463.36/x - Step 3: Cross multiply
627,396.08x = 865,803.68 × 355,463.36 - Step 4: Simplify right side
627,396.08x = 307,761,488,101.14 - Step 5: Solve for x
x = 307,761,488,101.14/627,396.08 - Step 6: Final answer
x = 490,537.79
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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.