Finding the Fourth Proportional to 692,537.18, 1,039,272.34 and 271,763.42
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Solution
The fourth proportional to 692,537.18, 1,039,272.34 and 271,763.42 is: 407,828.22
Step by Step Solution
- Step 1: Write the proportion equation
692,537.18 : 1,039,272.34 = 271,763.42 : x - Step 2: Convert to fraction form
692,537.18/1,039,272.34 = 271,763.42/x - Step 3: Cross multiply
692,537.18x = 1,039,272.34 × 271,763.42 - Step 4: Simplify right side
692,537.18x = 282,436,205,429.80 - Step 5: Solve for x
x = 282,436,205,429.80/692,537.18 - Step 6: Final answer
x = 407,828.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.