Finding the Fourth Proportional to 986,204.75, 1,479,455.00 and 346,395.68
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Solution
The fourth proportional to 986,204.75, 1,479,455.00 and 346,395.68 is: 519,645.45
Step by Step Solution
- Step 1: Write the proportion equation
986,204.75 : 1,479,455.00 = 346,395.68 : x - Step 2: Convert to fraction form
986,204.75/1,479,455.00 = 346,395.68/x - Step 3: Cross multiply
986,204.75x = 1,479,455.00 × 346,395.68 - Step 4: Simplify right side
986,204.75x = 512,476,811,625.15 - Step 5: Solve for x
x = 512,476,811,625.15/986,204.75 - Step 6: Final answer
x = 519,645.45
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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.