Finding the Fourth Proportional to 552,463.74, 761,880.33 and 511,228.26
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Solution
The fourth proportional to 552,463.74, 761,880.33 and 511,228.26 is: 705,014.15
Step by Step Solution
- Step 1: Write the proportion equation
552,463.74 : 761,880.33 = 511,228.26 : x - Step 2: Convert to fraction form
552,463.74/761,880.33 = 511,228.26/x - Step 3: Cross multiply
552,463.74x = 761,880.33 × 511,228.26 - Step 4: Simplify right side
552,463.74x = 389,494,755,434.13 - Step 5: Solve for x
x = 389,494,755,434.13/552,463.74 - Step 6: Final answer
x = 705,014.15
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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.