Finding the Fourth Proportional to 916,585.84, 1,264,604.92 and 534,341.96
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Solution
The fourth proportional to 916,585.84, 1,264,604.92 and 534,341.96 is: 737,226.61
Step by Step Solution
- Step 1: Write the proportion equation
916,585.84 : 1,264,604.92 = 534,341.96 : x - Step 2: Convert to fraction form
916,585.84/1,264,604.92 = 534,341.96/x - Step 3: Cross multiply
916,585.84x = 1,264,604.92 × 534,341.96 - Step 4: Simplify right side
916,585.84x = 675,731,471,578.44 - Step 5: Solve for x
x = 675,731,471,578.44/916,585.84 - Step 6: Final answer
x = 737,226.61
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1.5x scale
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.