Finding the Fourth Proportional to 752,237.50, 1,038,105.99 and 412,705.75
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Solution
The fourth proportional to 752,237.50, 1,038,105.99 and 412,705.75 is: 569,543.94
Step by Step Solution
- Step 1: Write the proportion equation
752,237.50 : 1,038,105.99 = 412,705.75 : x - Step 2: Convert to fraction form
752,237.50/1,038,105.99 = 412,705.75/x - Step 3: Cross multiply
752,237.50x = 1,038,105.99 × 412,705.75 - Step 4: Simplify right side
752,237.50x = 428,432,311,182.44 - Step 5: Solve for x
x = 428,432,311,182.44/752,237.50 - Step 6: Final answer
x = 569,543.94
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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.