Finding the Fourth Proportional to 830,460.84, 1,146,035.98 and 448,487.66
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Solution
The fourth proportional to 830,460.84, 1,146,035.98 and 448,487.66 is: 618,912.98
Step by Step Solution
- Step 1: Write the proportion equation
830,460.84 : 1,146,035.98 = 448,487.66 : x - Step 2: Convert to fraction form
830,460.84/1,146,035.98 = 448,487.66/x - Step 3: Cross multiply
830,460.84x = 1,146,035.98 × 448,487.66 - Step 4: Simplify right side
830,460.84x = 513,982,994,946.01 - Step 5: Solve for x
x = 513,982,994,946.01/830,460.84 - Step 6: Final answer
x = 618,912.98
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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.