Finding the Fourth Proportional to 809,957.10, 1,214,934.93 and 248,990.70
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Solution
The fourth proportional to 809,957.10, 1,214,934.93 and 248,990.70 is: 373,485.83
Step by Step Solution
- Step 1: Write the proportion equation
809,957.10 : 1,214,934.93 = 248,990.70 : x - Step 2: Convert to fraction form
809,957.10/1,214,934.93 = 248,990.70/x - Step 3: Cross multiply
809,957.10x = 1,214,934.93 × 248,990.70 - Step 4: Simplify right side
809,957.10x = 302,507,498,675.15 - Step 5: Solve for x
x = 302,507,498,675.15/809,957.10 - Step 6: Final answer
x = 373,485.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.