Finding the Fourth Proportional to 750,314.19, 1,125,120.98 and 270,478.80
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Solution
The fourth proportional to 750,314.19, 1,125,120.98 and 270,478.80 is: 405,591.92
Step by Step Solution
- Step 1: Write the proportion equation
750,314.19 : 1,125,120.98 = 270,478.80 : x - Step 2: Convert to fraction form
750,314.19/1,125,120.98 = 270,478.80/x - Step 3: Cross multiply
750,314.19x = 1,125,120.98 × 270,478.80 - Step 4: Simplify right side
750,314.19x = 304,321,371,172.83 - Step 5: Solve for x
x = 304,321,371,172.83/750,314.19 - Step 6: Final answer
x = 405,591.92
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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.