Finding the Fourth Proportional to 964,536.62, 1,330,938.18 and 528,839.31
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Solution
The fourth proportional to 964,536.62, 1,330,938.18 and 528,839.31 is: 729,731.17
Step by Step Solution
- Step 1: Write the proportion equation
964,536.62 : 1,330,938.18 = 528,839.31 : x - Step 2: Convert to fraction form
964,536.62/1,330,938.18 = 528,839.31/x - Step 3: Cross multiply
964,536.62x = 1,330,938.18 × 528,839.31 - Step 4: Simplify right side
964,536.62x = 703,852,428,763.86 - Step 5: Solve for x
x = 703,852,428,763.86/964,536.62 - Step 6: Final answer
x = 729,731.17
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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.