Finding the Fourth Proportional to 712,531.08, 1,068,528.96 and 232,646.76
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Solution
The fourth proportional to 712,531.08, 1,068,528.96 and 232,646.76 is: 348,882.75
Step by Step Solution
- Step 1: Write the proportion equation
712,531.08 : 1,068,528.96 = 232,646.76 : x - Step 2: Convert to fraction form
712,531.08/1,068,528.96 = 232,646.76/x - Step 3: Cross multiply
712,531.08x = 1,068,528.96 × 232,646.76 - Step 4: Simplify right side
712,531.08x = 248,589,800,510.17 - Step 5: Solve for x
x = 248,589,800,510.17/712,531.08 - Step 6: Final answer
x = 348,882.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.