Finding the Fourth Proportional to 859,104.64, 1,186,157.44 and 536,959.44
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Solution
The fourth proportional to 859,104.64, 1,186,157.44 and 536,959.44 is: 741,374.69
Step by Step Solution
- Step 1: Write the proportion equation
859,104.64 : 1,186,157.44 = 536,959.44 : x - Step 2: Convert to fraction form
859,104.64/1,186,157.44 = 536,959.44/x - Step 3: Cross multiply
859,104.64x = 1,186,157.44 × 536,959.44 - Step 4: Simplify right side
859,104.64x = 636,918,434,734.23 - Step 5: Solve for x
x = 636,918,434,734.23/859,104.64 - Step 6: Final answer
x = 741,374.69
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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.