Finding the Fourth Proportional to 752,416.48, 1,038,364.68 and 412,896.88
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Solution
The fourth proportional to 752,416.48, 1,038,364.68 and 412,896.88 is: 569,814.12
Step by Step Solution
- Step 1: Write the proportion equation
752,416.48 : 1,038,364.68 = 412,896.88 : x - Step 2: Convert to fraction form
752,416.48/1,038,364.68 = 412,896.88/x - Step 3: Cross multiply
752,416.48x = 1,038,364.68 × 412,896.88 - Step 4: Simplify right side
752,416.48x = 428,737,536,674.20 - Step 5: Solve for x
x = 428,737,536,674.20/752,416.48 - Step 6: Final answer
x = 569,814.12
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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.