Finding the Fourth Proportional to 736,593.12, 1,105,123.20 and 263,268
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Solution
The fourth proportional to 736,593.12, 1,105,123.20 and 263,268 is: 394,985.46
Step by Step Solution
- Step 1: Write the proportion equation
736,593.12 : 1,105,123.20 = 263,268 : x - Step 2: Convert to fraction form
736,593.12/1,105,123.20 = 263,268/x - Step 3: Cross multiply
736,593.12x = 1,105,123.20 × 263,268 - Step 4: Simplify right side
736,593.12x = 290,943,574,617.60 - Step 5: Solve for x
x = 290,943,574,617.60/736,593.12 - Step 6: Final answer
x = 394,985.46
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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.