Finding the Fourth Proportional to 859,106.64, 1,186,160.20 and 536,961.44
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Solution
The fourth proportional to 859,106.64, 1,186,160.20 and 536,961.44 is: 741,377.45
Step by Step Solution
- Step 1: Write the proportion equation
859,106.64 : 1,186,160.20 = 536,961.44 : x - Step 2: Convert to fraction form
859,106.64/1,186,160.20 = 536,961.44/x - Step 3: Cross multiply
859,106.64x = 1,186,160.20 × 536,961.44 - Step 4: Simplify right side
859,106.64x = 636,922,289,062.69 - Step 5: Solve for x
x = 636,922,289,062.69/859,106.64 - Step 6: Final answer
x = 741,377.45
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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.