Finding the Fourth Proportional to 931,930.08, 1,286,056.80 and 529,522.08
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Solution
The fourth proportional to 931,930.08, 1,286,056.80 and 529,522.08 is: 730,736.66
Step by Step Solution
- Step 1: Write the proportion equation
931,930.08 : 1,286,056.80 = 529,522.08 : x - Step 2: Convert to fraction form
931,930.08/1,286,056.80 = 529,522.08/x - Step 3: Cross multiply
931,930.08x = 1,286,056.80 × 529,522.08 - Step 4: Simplify right side
931,930.08x = 680,995,471,734.14 - Step 5: Solve for x
x = 680,995,471,734.14/931,930.08 - Step 6: Final answer
x = 730,736.66
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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.