Finding the Fourth Proportional to 1,310,287.18, 1,965,486.66 and 457,444.66
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Solution
The fourth proportional to 1,310,287.18, 1,965,486.66 and 457,444.66 is: 686,186.50
Step by Step Solution
- Step 1: Write the proportion equation
1,310,287.18 : 1,965,486.66 = 457,444.66 : x - Step 2: Convert to fraction form
1,310,287.18/1,965,486.66 = 457,444.66/x - Step 3: Cross multiply
1,310,287.18x = 1,965,486.66 × 457,444.66 - Step 4: Simplify right side
1,310,287.18x = 899,101,376,918.24 - Step 5: Solve for x
x = 899,101,376,918.24/1,310,287.18 - Step 6: Final answer
x = 686,186.50
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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.