Finding the Fourth Proportional to 908,378.84, 1,361,549.88 and 368,509.70
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Solution
The fourth proportional to 908,378.84, 1,361,549.88 and 368,509.70 is: 552,351.42
Step by Step Solution
- Step 1: Write the proportion equation
908,378.84 : 1,361,549.88 = 368,509.70 : x - Step 2: Convert to fraction form
908,378.84/1,361,549.88 = 368,509.70/x - Step 3: Cross multiply
908,378.84x = 1,361,549.88 × 368,509.70 - Step 4: Simplify right side
908,378.84x = 501,744,341,217.71 - Step 5: Solve for x
x = 501,744,341,217.71/908,378.84 - Step 6: Final answer
x = 552,351.42
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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.