Finding the Fourth Proportional to 752,294.40, 1,038,167.52 and 412,765.08
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Solution
The fourth proportional to 752,294.40, 1,038,167.52 and 412,765.08 is: 569,616.50
Step by Step Solution
- Step 1: Write the proportion equation
752,294.40 : 1,038,167.52 = 412,765.08 : x - Step 2: Convert to fraction form
752,294.40/1,038,167.52 = 412,765.08/x - Step 3: Cross multiply
752,294.40x = 1,038,167.52 × 412,765.08 - Step 4: Simplify right side
752,294.40x = 428,519,299,446.20 - Step 5: Solve for x
x = 428,519,299,446.20/752,294.40 - Step 6: Final answer
x = 569,616.50
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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.