Finding the Fourth Proportional to 878,164.48, 1,211,872.80 and 475,756.48
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Solution
The fourth proportional to 878,164.48, 1,211,872.80 and 475,756.48 is: 656,547.09
Step by Step Solution
- Step 1: Write the proportion equation
878,164.48 : 1,211,872.80 = 475,756.48 : x - Step 2: Convert to fraction form
878,164.48/1,211,872.80 = 475,756.48/x - Step 3: Cross multiply
878,164.48x = 1,211,872.80 × 475,756.48 - Step 4: Simplify right side
878,164.48x = 576,556,337,535.74 - Step 5: Solve for x
x = 576,556,337,535.74/878,164.48 - Step 6: Final answer
x = 656,547.09
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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.