Finding the Fourth Proportional to 615,732.70, 849,702.93 and 343,805.14
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Solution
The fourth proportional to 615,732.70, 849,702.93 and 343,805.14 is: 474,446.52
Step by Step Solution
- Step 1: Write the proportion equation
615,732.70 : 849,702.93 = 343,805.14 : x - Step 2: Convert to fraction form
615,732.70/849,702.93 = 343,805.14/x - Step 3: Cross multiply
615,732.70x = 849,702.93 × 343,805.14 - Step 4: Simplify right side
615,732.70x = 292,132,234,807.06 - Step 5: Solve for x
x = 292,132,234,807.06/615,732.70 - Step 6: Final answer
x = 474,446.52
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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.