Finding the Fourth Proportional to 908,252.80, 1,361,212.80 and 433,916.80
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Solution
The fourth proportional to 908,252.80, 1,361,212.80 and 433,916.80 is: 650,317.95
Step by Step Solution
- Step 1: Write the proportion equation
908,252.80 : 1,361,212.80 = 433,916.80 : x - Step 2: Convert to fraction form
908,252.80/1,361,212.80 = 433,916.80/x - Step 3: Cross multiply
908,252.80x = 1,361,212.80 × 433,916.80 - Step 4: Simplify right side
908,252.80x = 590,653,102,295.04 - Step 5: Solve for x
x = 590,653,102,295.04/908,252.80 - Step 6: Final answer
x = 650,317.95
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1.5x scale
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.