Finding the Fourth Proportional to 758,864.48, 1,138,341.27 and 285,553.94
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Solution
The fourth proportional to 758,864.48, 1,138,341.27 and 285,553.94 is: 428,347.67
Step by Step Solution
- Step 1: Write the proportion equation
758,864.48 : 1,138,341.27 = 285,553.94 : x - Step 2: Convert to fraction form
758,864.48/1,138,341.27 = 285,553.94/x - Step 3: Cross multiply
758,864.48x = 1,138,341.27 × 285,553.94 - Step 4: Simplify right side
758,864.48x = 325,057,834,713.10 - Step 5: Solve for x
x = 325,057,834,713.10/758,864.48 - Step 6: Final answer
x = 428,347.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.