Finding the Fourth Proportional to 964,919.60, 1,331,748.50 and 535,338.12
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Solution
The fourth proportional to 964,919.60, 1,331,748.50 and 535,338.12 is: 738,855.07
Step by Step Solution
- Step 1: Write the proportion equation
964,919.60 : 1,331,748.50 = 535,338.12 : x - Step 2: Convert to fraction form
964,919.60/1,331,748.50 = 535,338.12/x - Step 3: Cross multiply
964,919.60x = 1,331,748.50 × 535,338.12 - Step 4: Simplify right side
964,919.60x = 712,935,738,302.82 - Step 5: Solve for x
x = 712,935,738,302.82/964,919.60 - Step 6: Final answer
x = 738,855.07
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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.