Finding the Fourth Proportional to 782,851.55, 1,080,316.84 and 460,582.40
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Solution
The fourth proportional to 782,851.55, 1,080,316.84 and 460,582.40 is: 635,592.95
Step by Step Solution
- Step 1: Write the proportion equation
782,851.55 : 1,080,316.84 = 460,582.40 : x - Step 2: Convert to fraction form
782,851.55/1,080,316.84 = 460,582.40/x - Step 3: Cross multiply
782,851.55x = 1,080,316.84 × 460,582.40 - Step 4: Simplify right side
782,851.55x = 497,574,922,927.62 - Step 5: Solve for x
x = 497,574,922,927.62/782,851.55 - Step 6: Final answer
x = 635,592.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.