Finding the Fourth Proportional to 560,335.94, 773,248.29 and 305,687.06
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Solution
The fourth proportional to 560,335.94, 773,248.29 and 305,687.06 is: 421,839.79
Step by Step Solution
- Step 1: Write the proportion equation
560,335.94 : 773,248.29 = 305,687.06 : x - Step 2: Convert to fraction form
560,335.94/773,248.29 = 305,687.06/x - Step 3: Cross multiply
560,335.94x = 773,248.29 × 305,687.06 - Step 4: Simplify right side
560,335.94x = 236,371,996,420.13 - Step 5: Solve for x
x = 236,371,996,420.13/560,335.94 - Step 6: Final answer
x = 421,839.79
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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.