Finding the Fourth Proportional to 552,863.61, 763,187.19 and 371,680.63
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Solution
The fourth proportional to 552,863.61, 763,187.19 and 371,680.63 is: 513,077.53
Step by Step Solution
- Step 1: Write the proportion equation
552,863.61 : 763,187.19 = 371,680.63 : x - Step 2: Convert to fraction form
552,863.61/763,187.19 = 371,680.63/x - Step 3: Cross multiply
552,863.61x = 763,187.19 × 371,680.63 - Step 4: Simplify right side
552,863.61x = 283,661,895,587.13 - Step 5: Solve for x
x = 283,661,895,587.13/552,863.61 - Step 6: Final answer
x = 513,077.53
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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.