Finding the Fourth Proportional to 887,195.60, 1,330,987.80 and 288,054.80
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Solution
The fourth proportional to 887,195.60, 1,330,987.80 and 288,054.80 is: 432,145.32
Step by Step Solution
- Step 1: Write the proportion equation
887,195.60 : 1,330,987.80 = 288,054.80 : x - Step 2: Convert to fraction form
887,195.60/1,330,987.80 = 288,054.80/x - Step 3: Cross multiply
887,195.60x = 1,330,987.80 × 288,054.80 - Step 4: Simplify right side
887,195.60x = 383,397,424,531.44 - Step 5: Solve for x
x = 383,397,424,531.44/887,195.60 - Step 6: Final answer
x = 432,145.32
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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.