Finding the Fourth Proportional to 898,253.70, 1,348,364.70 and 561,674.40
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Solution
The fourth proportional to 898,253.70, 1,348,364.70 and 561,674.40 is: 843,126.99
Step by Step Solution
- Step 1: Write the proportion equation
898,253.70 : 1,348,364.70 = 561,674.40 : x - Step 2: Convert to fraction form
898,253.70/1,348,364.70 = 561,674.40/x - Step 3: Cross multiply
898,253.70x = 1,348,364.70 × 561,674.40 - Step 4: Simplify right side
898,253.70x = 757,341,933,853.68 - Step 5: Solve for x
x = 757,341,933,853.68/898,253.70 - Step 6: Final answer
x = 843,126.99
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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.