Finding the Fourth Proportional to 964,913.94, 1,331,581.97 and 535,197.15
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Solution
The fourth proportional to 964,913.94, 1,331,581.97 and 535,197.15 is: 738,572.47
Step by Step Solution
- Step 1: Write the proportion equation
964,913.94 : 1,331,581.97 = 535,197.15 : x - Step 2: Convert to fraction form
964,913.94/1,331,581.97 = 535,197.15/x - Step 3: Cross multiply
964,913.94x = 1,331,581.97 × 535,197.15 - Step 4: Simplify right side
964,913.94x = 712,658,876,673.38 - Step 5: Solve for x
x = 712,658,876,673.38/964,913.94 - Step 6: Final answer
x = 738,572.47
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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.