Finding the Fourth Proportional to 836,414.07, 1,154,213.79 and 473,830.53
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Solution
The fourth proportional to 836,414.07, 1,154,213.79 and 473,830.53 is: 653,864.82
Step by Step Solution
- Step 1: Write the proportion equation
836,414.07 : 1,154,213.79 = 473,830.53 : x - Step 2: Convert to fraction form
836,414.07/1,154,213.79 = 473,830.53/x - Step 3: Cross multiply
836,414.07x = 1,154,213.79 × 473,830.53 - Step 4: Simplify right side
836,414.07x = 546,901,731,849.01 - Step 5: Solve for x
x = 546,901,731,849.01/836,414.07 - Step 6: Final answer
x = 653,864.82
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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.