Finding the Fourth Proportional to 541,131.84, 747,060.12 and 405,116.88
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Solution
The fourth proportional to 541,131.84, 747,060.12 and 405,116.88 is: 559,284.53
Step by Step Solution
- Step 1: Write the proportion equation
541,131.84 : 747,060.12 = 405,116.88 : x - Step 2: Convert to fraction form
541,131.84/747,060.12 = 405,116.88/x - Step 3: Cross multiply
541,131.84x = 747,060.12 × 405,116.88 - Step 4: Simplify right side
541,131.84x = 302,646,664,986.83 - Step 5: Solve for x
x = 302,646,664,986.83/541,131.84 - Step 6: Final answer
x = 559,284.53
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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.