Finding the Fourth Proportional to 557,655.36, 769,767.48 and 343,083.12
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Solution
The fourth proportional to 557,655.36, 769,767.48 and 343,083.12 is: 473,579.65
Step by Step Solution
- Step 1: Write the proportion equation
557,655.36 : 769,767.48 = 343,083.12 : x - Step 2: Convert to fraction form
557,655.36/769,767.48 = 343,083.12/x - Step 3: Cross multiply
557,655.36x = 769,767.48 × 343,083.12 - Step 4: Simplify right side
557,655.36x = 264,094,228,712.94 - Step 5: Solve for x
x = 264,094,228,712.94/557,655.36 - Step 6: Final answer
x = 473,579.65
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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.