Finding the Fourth Proportional to 632,476.98, 872,839.62 and 345,996.99
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Solution
The fourth proportional to 632,476.98, 872,839.62 and 345,996.99 is: 477,487.55
Step by Step Solution
- Step 1: Write the proportion equation
632,476.98 : 872,839.62 = 345,996.99 : x - Step 2: Convert to fraction form
632,476.98/872,839.62 = 345,996.99/x - Step 3: Cross multiply
632,476.98x = 872,839.62 × 345,996.99 - Step 4: Simplify right side
632,476.98x = 301,999,881,272.74 - Step 5: Solve for x
x = 301,999,881,272.74/632,476.98 - Step 6: Final answer
x = 477,487.55
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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.