Finding the Fourth Proportional to 557,407.36, 769,224.36 and 302,762.80
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Solution
The fourth proportional to 557,407.36, 769,224.36 and 302,762.80 is: 417,813.86
Step by Step Solution
- Step 1: Write the proportion equation
557,407.36 : 769,224.36 = 302,762.80 : x - Step 2: Convert to fraction form
557,407.36/769,224.36 = 302,762.80/x - Step 3: Cross multiply
557,407.36x = 769,224.36 × 302,762.80 - Step 4: Simplify right side
557,407.36x = 232,892,521,061.81 - Step 5: Solve for x
x = 232,892,521,061.81/557,407.36 - Step 6: Final answer
x = 417,813.86
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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.