Finding the Fourth Proportional to 873,634.48, 1,310,013.19 and 509,014.11
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Solution
The fourth proportional to 873,634.48, 1,310,013.19 and 509,014.11 is: 763,265.66
Step by Step Solution
- Step 1: Write the proportion equation
873,634.48 : 1,310,013.19 = 509,014.11 : x - Step 2: Convert to fraction form
873,634.48/1,310,013.19 = 509,014.11/x - Step 3: Cross multiply
873,634.48x = 1,310,013.19 × 509,014.11 - Step 4: Simplify right side
873,634.48x = 666,815,191,446.05 - Step 5: Solve for x
x = 666,815,191,446.05/873,634.48 - Step 6: Final answer
x = 763,265.66
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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.