Finding the Fourth Proportional to 994,695.67, 1,492,484.55 and 521,268.49
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Solution
The fourth proportional to 994,695.67, 1,492,484.55 and 521,268.49 is: 782,133.86
Step by Step Solution
- Step 1: Write the proportion equation
994,695.67 : 1,492,484.55 = 521,268.49 : x - Step 2: Convert to fraction form
994,695.67/1,492,484.55 = 521,268.49/x - Step 3: Cross multiply
994,695.67x = 1,492,484.55 × 521,268.49 - Step 4: Simplify right side
994,695.67x = 777,985,167,726.83 - Step 5: Solve for x
x = 777,985,167,726.83/994,695.67 - Step 6: Final answer
x = 782,133.86
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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.