Finding the Fourth Proportional to 584,131.63, 806,142.15 and 326,058.80
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Solution
The fourth proportional to 584,131.63, 806,142.15 and 326,058.80 is: 449,983.75
Step by Step Solution
- Step 1: Write the proportion equation
584,131.63 : 806,142.15 = 326,058.80 : x - Step 2: Convert to fraction form
584,131.63/806,142.15 = 326,058.80/x - Step 3: Cross multiply
584,131.63x = 806,142.15 × 326,058.80 - Step 4: Simplify right side
584,131.63x = 262,849,740,428.13 - Step 5: Solve for x
x = 262,849,740,428.13/584,131.63 - Step 6: Final answer
x = 449,983.75
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1.5x scale
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.