Finding the Fourth Proportional to 612,792.29, 845,653.34 and 344,520.29
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Solution
The fourth proportional to 612,792.29, 845,653.34 and 344,520.29 is: 475,437.99
Step by Step Solution
- Step 1: Write the proportion equation
612,792.29 : 845,653.34 = 344,520.29 : x - Step 2: Convert to fraction form
612,792.29/845,653.34 = 344,520.29/x - Step 3: Cross multiply
612,792.29x = 845,653.34 × 344,520.29 - Step 4: Simplify right side
612,792.29x = 291,344,736,911.70 - Step 5: Solve for x
x = 291,344,736,911.70/612,792.29 - Step 6: Final answer
x = 475,437.99
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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.