Finding the Fourth Proportional to 593,436.12, 891,324.90 and 509,878.68
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Solution
The fourth proportional to 593,436.12, 891,324.90 and 509,878.68 is: 765,823.90
Step by Step Solution
- Step 1: Write the proportion equation
593,436.12 : 891,324.90 = 509,878.68 : x - Step 2: Convert to fraction form
593,436.12/891,324.90 = 509,878.68/x - Step 3: Cross multiply
593,436.12x = 891,324.90 × 509,878.68 - Step 4: Simplify right side
593,436.12x = 454,467,563,463.13 - Step 5: Solve for x
x = 454,467,563,463.13/593,436.12 - Step 6: Final answer
x = 765,823.90
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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.