Finding the Fourth Proportional to 848,412.84, 1,170,816.44 and 461,228.19
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Solution
The fourth proportional to 848,412.84, 1,170,816.44 and 461,228.19 is: 636,498.56
Step by Step Solution
- Step 1: Write the proportion equation
848,412.84 : 1,170,816.44 = 461,228.19 : x - Step 2: Convert to fraction form
848,412.84/1,170,816.44 = 461,228.19/x - Step 3: Cross multiply
848,412.84x = 1,170,816.44 × 461,228.19 - Step 4: Simplify right side
848,412.84x = 540,013,547,443.44 - Step 5: Solve for x
x = 540,013,547,443.44/848,412.84 - Step 6: Final answer
x = 636,498.56
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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.