Finding the Fourth Proportional to 989,005.14, 1,364,827.86 and 536,296.14
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Solution
The fourth proportional to 989,005.14, 1,364,827.86 and 536,296.14 is: 740,089.09
Step by Step Solution
- Step 1: Write the proportion equation
989,005.14 : 1,364,827.86 = 536,296.14 : x - Step 2: Convert to fraction form
989,005.14/1,364,827.86 = 536,296.14/x - Step 3: Cross multiply
989,005.14x = 1,364,827.86 × 536,296.14 - Step 4: Simplify right side
989,005.14x = 731,951,913,082.46 - Step 5: Solve for x
x = 731,951,913,082.46/989,005.14 - Step 6: Final answer
x = 740,089.09
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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.