Finding the Fourth Proportional to 891,715.66, 1,337,292.50 and 292,537.19
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Solution
The fourth proportional to 891,715.66, 1,337,292.50 and 292,537.19 is: 438,713.60
Step by Step Solution
- Step 1: Write the proportion equation
891,715.66 : 1,337,292.50 = 292,537.19 : x - Step 2: Convert to fraction form
891,715.66/1,337,292.50 = 292,537.19/x - Step 3: Cross multiply
891,715.66x = 1,337,292.50 × 292,537.19 - Step 4: Simplify right side
891,715.66x = 391,207,790,158.08 - Step 5: Solve for x
x = 391,207,790,158.08/891,715.66 - Step 6: Final answer
x = 438,713.60
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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.