Finding the Fourth Proportional to 669,687.66, 924,177.35 and 363,769.13
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Solution
The fourth proportional to 669,687.66, 924,177.35 and 363,769.13 is: 502,005.96
Step by Step Solution
- Step 1: Write the proportion equation
669,687.66 : 924,177.35 = 363,769.13 : x - Step 2: Convert to fraction form
669,687.66/924,177.35 = 363,769.13/x - Step 3: Cross multiply
669,687.66x = 924,177.35 × 363,769.13 - Step 4: Simplify right side
669,687.66x = 336,187,193,795.07 - Step 5: Solve for x
x = 336,187,193,795.07/669,687.66 - Step 6: Final answer
x = 502,005.96
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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.