Finding the Fourth Proportional to 634,490.21, 875,805.84 and 567,229.70
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Solution
The fourth proportional to 634,490.21, 875,805.84 and 567,229.70 is: 782,964.14
Step by Step Solution
- Step 1: Write the proportion equation
634,490.21 : 875,805.84 = 567,229.70 : x - Step 2: Convert to fraction form
634,490.21/875,805.84 = 567,229.70/x - Step 3: Cross multiply
634,490.21x = 875,805.84 × 567,229.70 - Step 4: Simplify right side
634,490.21x = 496,783,083,881.45 - Step 5: Solve for x
x = 496,783,083,881.45/634,490.21 - Step 6: Final answer
x = 782,964.14
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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.