Finding the Fourth Proportional to 660,537.18, 911,544.79 and 370,149.40
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Solution
The fourth proportional to 660,537.18, 911,544.79 and 370,149.40 is: 510,808.12
Step by Step Solution
- Step 1: Write the proportion equation
660,537.18 : 911,544.79 = 370,149.40 : x - Step 2: Convert to fraction form
660,537.18/911,544.79 = 370,149.40/x - Step 3: Cross multiply
660,537.18x = 911,544.79 × 370,149.40 - Step 4: Simplify right side
660,537.18x = 337,407,752,872.27 - Step 5: Solve for x
x = 337,407,752,872.27/660,537.18 - Step 6: Final answer
x = 510,808.12
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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.