Finding the Fourth Proportional to 577,603.80, 866,405.70 and 437,635.80
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Solution
The fourth proportional to 577,603.80, 866,405.70 and 437,635.80 is: 656,453.70
Step by Step Solution
- Step 1: Write the proportion equation
577,603.80 : 866,405.70 = 437,635.80 : x - Step 2: Convert to fraction form
577,603.80/866,405.70 = 437,635.80/x - Step 3: Cross multiply
577,603.80x = 866,405.70 × 437,635.80 - Step 4: Simplify right side
577,603.80x = 379,170,151,644.06 - Step 5: Solve for x
x = 379,170,151,644.06/577,603.80 - Step 6: Final answer
x = 656,453.70
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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.