Finding the Fourth Proportional to 891,707.28, 1,337,279.94 and 292,528.82
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Solution
The fourth proportional to 891,707.28, 1,337,279.94 and 292,528.82 is: 438,701.05
Step by Step Solution
- Step 1: Write the proportion equation
891,707.28 : 1,337,279.94 = 292,528.82 : x - Step 2: Convert to fraction form
891,707.28/1,337,279.94 = 292,528.82/x - Step 3: Cross multiply
891,707.28x = 1,337,279.94 × 292,528.82 - Step 4: Simplify right side
891,707.28x = 391,192,917,856.13 - Step 5: Solve for x
x = 391,192,917,856.13/891,707.28 - Step 6: Final answer
x = 438,701.05
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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.