Finding the Fourth Proportional to 755,859.99, 1,131,127.07 and 471,684.27
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Solution
The fourth proportional to 755,859.99, 1,131,127.07 and 471,684.27 is: 705,864.65
Step by Step Solution
- Step 1: Write the proportion equation
755,859.99 : 1,131,127.07 = 471,684.27 : x - Step 2: Convert to fraction form
755,859.99/1,131,127.07 = 471,684.27/x - Step 3: Cross multiply
755,859.99x = 1,131,127.07 × 471,684.27 - Step 4: Simplify right side
755,859.99x = 533,534,843,931.77 - Step 5: Solve for x
x = 533,534,843,931.77/755,859.99 - Step 6: Final answer
x = 705,864.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.