Finding the Fourth Proportional to 859,861.44, 1,186,612.62 and 472,701.75
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Solution
The fourth proportional to 859,861.44, 1,186,612.62 and 472,701.75 is: 652,330.53
Step by Step Solution
- Step 1: Write the proportion equation
859,861.44 : 1,186,612.62 = 472,701.75 : x - Step 2: Convert to fraction form
859,861.44/1,186,612.62 = 472,701.75/x - Step 3: Cross multiply
859,861.44x = 1,186,612.62 × 472,701.75 - Step 4: Simplify right side
859,861.44x = 560,913,867,202.47 - Step 5: Solve for x
x = 560,913,867,202.47/859,861.44 - Step 6: Final answer
x = 652,330.53
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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.