Finding the Fourth Proportional to 976,963.71, 1,348,252.90 and 541,379.84
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Solution
The fourth proportional to 976,963.71, 1,348,252.90 and 541,379.84 is: 747,127.99
Step by Step Solution
- Step 1: Write the proportion equation
976,963.71 : 1,348,252.90 = 541,379.84 : x - Step 2: Convert to fraction form
976,963.71/1,348,252.90 = 541,379.84/x - Step 3: Cross multiply
976,963.71x = 1,348,252.90 × 541,379.84 - Step 4: Simplify right side
976,963.71x = 729,916,931,186.82 - Step 5: Solve for x
x = 729,916,931,186.82/976,963.71 - Step 6: Final answer
x = 747,127.99
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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.