Finding the Fourth Proportional to 531,808.91, 733,878.11 and 316,945.07
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Solution
The fourth proportional to 531,808.91, 733,878.11 and 316,945.07 is: 437,373.35
Step by Step Solution
- Step 1: Write the proportion equation
531,808.91 : 733,878.11 = 316,945.07 : x - Step 2: Convert to fraction form
531,808.91/733,878.11 = 316,945.07/x - Step 3: Cross multiply
531,808.91x = 733,878.11 × 316,945.07 - Step 4: Simplify right side
531,808.91x = 232,599,043,691.30 - Step 5: Solve for x
x = 232,599,043,691.30/531,808.91 - Step 6: Final answer
x = 437,373.35
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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.