Finding the Fourth Proportional to 627,304.96, 865,652.63 and 355,367.31
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Solution
The fourth proportional to 627,304.96, 865,652.63 and 355,367.31 is: 490,390.90
Step by Step Solution
- Step 1: Write the proportion equation
627,304.96 : 865,652.63 = 355,367.31 : x - Step 2: Convert to fraction form
627,304.96/865,652.63 = 355,367.31/x - Step 3: Cross multiply
627,304.96x = 865,652.63 × 355,367.31 - Step 4: Simplify right side
627,304.96x = 307,624,646,517.53 - Step 5: Solve for x
x = 307,624,646,517.53/627,304.96 - Step 6: Final answer
x = 490,390.90
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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.