Finding the Fourth Proportional to 985,949.84, 1,479,537.12 and 631,218.44
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Solution
The fourth proportional to 985,949.84, 1,479,537.12 and 631,218.44 is: 947,219.70
Step by Step Solution
- Step 1: Write the proportion equation
985,949.84 : 1,479,537.12 = 631,218.44 : x - Step 2: Convert to fraction form
985,949.84/1,479,537.12 = 631,218.44/x - Step 3: Cross multiply
985,949.84x = 1,479,537.12 × 631,218.44 - Step 4: Simplify right side
985,949.84x = 933,911,112,808.49 - Step 5: Solve for x
x = 933,911,112,808.49/985,949.84 - Step 6: Final answer
x = 947,219.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.