Finding the Fourth Proportional to 585,805.64, 878,392.35 and 265,782.84
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Solution
The fourth proportional to 585,805.64, 878,392.35 and 265,782.84 is: 398,530.84
Step by Step Solution
- Step 1: Write the proportion equation
585,805.64 : 878,392.35 = 265,782.84 : x - Step 2: Convert to fraction form
585,805.64/878,392.35 = 265,782.84/x - Step 3: Cross multiply
585,805.64x = 878,392.35 × 265,782.84 - Step 4: Simplify right side
585,805.64x = 233,461,610,123.30 - Step 5: Solve for x
x = 233,461,610,123.30/585,805.64 - Step 6: Final answer
x = 398,530.84
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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.