Finding the Fourth Proportional to 746,446.79, 1,119,670.17 and 247,810.79
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Solution
The fourth proportional to 746,446.79, 1,119,670.17 and 247,810.79 is: 371,716.18
Step by Step Solution
- Step 1: Write the proportion equation
746,446.79 : 1,119,670.17 = 247,810.79 : x - Step 2: Convert to fraction form
746,446.79/1,119,670.17 = 247,810.79/x - Step 3: Cross multiply
746,446.79x = 1,119,670.17 × 247,810.79 - Step 4: Simplify right side
746,446.79x = 277,466,349,367.13 - Step 5: Solve for x
x = 277,466,349,367.13/746,446.79 - Step 6: Final answer
x = 371,716.18
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Double scale
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Similar ratio
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1.5x scale
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.