Finding the Fourth Proportional to 825,992.16, 1,239,117.84 and 352,680
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Solution
The fourth proportional to 825,992.16, 1,239,117.84 and 352,680 is: 529,075.34
Step by Step Solution
- Step 1: Write the proportion equation
825,992.16 : 1,239,117.84 = 352,680 : x - Step 2: Convert to fraction form
825,992.16/1,239,117.84 = 352,680/x - Step 3: Cross multiply
825,992.16x = 1,239,117.84 × 352,680 - Step 4: Simplify right side
825,992.16x = 437,012,079,811.20 - Step 5: Solve for x
x = 437,012,079,811.20/825,992.16 - Step 6: Final answer
x = 529,075.34
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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.