Finding the Fourth Proportional to 996,957.70, 1,493,362.95 and 831,069.70
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Solution
The fourth proportional to 996,957.70, 1,493,362.95 and 831,069.70 is: 1,244,875.99
Step by Step Solution
- Step 1: Write the proportion equation
996,957.70 : 1,493,362.95 = 831,069.70 : x - Step 2: Convert to fraction form
996,957.70/1,493,362.95 = 831,069.70/x - Step 3: Cross multiply
996,957.70x = 1,493,362.95 × 831,069.70 - Step 4: Simplify right side
996,957.70x = 1,241,088,698,847.62 - Step 5: Solve for x
x = 1,241,088,698,847.62/996,957.70 - Step 6: Final answer
x = 1,244,875.99
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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.