Finding the Fourth Proportional to 557,513.08, 769,363.82 and 302,866.09
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Solution
The fourth proportional to 557,513.08, 769,363.82 and 302,866.09 is: 417,952.90
Step by Step Solution
- Step 1: Write the proportion equation
557,513.08 : 769,363.82 = 302,866.09 : x - Step 2: Convert to fraction form
557,513.08/769,363.82 = 302,866.09/x - Step 3: Cross multiply
557,513.08x = 769,363.82 × 302,866.09 - Step 4: Simplify right side
557,513.08x = 233,014,209,648.87 - Step 5: Solve for x
x = 233,014,209,648.87/557,513.08 - Step 6: Final answer
x = 417,952.90
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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.