Finding the Fourth Proportional to 803,730.81, 1,109,144.62 and 441,160.84
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Solution
The fourth proportional to 803,730.81, 1,109,144.62 and 441,160.84 is: 608,799.82
Step by Step Solution
- Step 1: Write the proportion equation
803,730.81 : 1,109,144.62 = 441,160.84 : x - Step 2: Convert to fraction form
803,730.81/1,109,144.62 = 441,160.84/x - Step 3: Cross multiply
803,730.81x = 1,109,144.62 × 441,160.84 - Step 4: Simplify right side
803,730.81x = 489,311,172,240.68 - Step 5: Solve for x
x = 489,311,172,240.68/803,730.81 - Step 6: Final answer
x = 608,799.82
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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.