Finding the Fourth Proportional to 625,276.68, 862,897.86 and 383,692.74
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Solution
The fourth proportional to 625,276.68, 862,897.86 and 383,692.74 is: 529,505.82
Step by Step Solution
- Step 1: Write the proportion equation
625,276.68 : 862,897.86 = 383,692.74 : x - Step 2: Convert to fraction form
625,276.68/862,897.86 = 383,692.74/x - Step 3: Cross multiply
625,276.68x = 862,897.86 × 383,692.74 - Step 4: Simplify right side
625,276.68x = 331,087,644,243.54 - Step 5: Solve for x
x = 331,087,644,243.54/625,276.68 - Step 6: Final answer
x = 529,505.82
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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.