Finding the Fourth Proportional to 736,076.84, 1,015,802.42 and 449,754.80
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Solution
The fourth proportional to 736,076.84, 1,015,802.42 and 449,754.80 is: 620,671.63
Step by Step Solution
- Step 1: Write the proportion equation
736,076.84 : 1,015,802.42 = 449,754.80 : x - Step 2: Convert to fraction form
736,076.84/1,015,802.42 = 449,754.80/x - Step 3: Cross multiply
736,076.84x = 1,015,802.42 × 449,754.80 - Step 4: Simplify right side
736,076.84x = 456,862,006,918.83 - Step 5: Solve for x
x = 456,862,006,918.83/736,076.84 - Step 6: Final answer
x = 620,671.63
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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.