Finding the Fourth Proportional to 865,786.16, 1,194,762.84 and 483,816.08
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Solution
The fourth proportional to 865,786.16, 1,194,762.84 and 483,816.08 is: 667,653.86
Step by Step Solution
- Step 1: Write the proportion equation
865,786.16 : 1,194,762.84 = 483,816.08 : x - Step 2: Convert to fraction form
865,786.16/1,194,762.84 = 483,816.08/x - Step 3: Cross multiply
865,786.16x = 1,194,762.84 × 483,816.08 - Step 4: Simplify right side
865,786.16x = 578,045,473,778.47 - Step 5: Solve for x
x = 578,045,473,778.47/865,786.16 - Step 6: Final answer
x = 667,653.86
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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.