Finding the Fourth Proportional to 798,689.21, 1,102,235.93 and 436,146.77
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Solution
The fourth proportional to 798,689.21, 1,102,235.93 and 436,146.77 is: 601,907.02
Step by Step Solution
- Step 1: Write the proportion equation
798,689.21 : 1,102,235.93 = 436,146.77 : x - Step 2: Convert to fraction form
798,689.21/1,102,235.93 = 436,146.77/x - Step 3: Cross multiply
798,689.21x = 1,102,235.93 × 436,146.77 - Step 4: Simplify right side
798,689.21x = 480,736,641,222.30 - Step 5: Solve for x
x = 480,736,641,222.30/798,689.21 - Step 6: Final answer
x = 601,907.02
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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.