Finding the Fourth Proportional to 1,153,803.11, 1,730,705.99 and 300,874.01
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Solution
The fourth proportional to 1,153,803.11, 1,730,705.99 and 300,874.01 is: 451,311.35
Step by Step Solution
- Step 1: Write the proportion equation
1,153,803.11 : 1,730,705.99 = 300,874.01 : x - Step 2: Convert to fraction form
1,153,803.11/1,730,705.99 = 300,874.01/x - Step 3: Cross multiply
1,153,803.11x = 1,730,705.99 × 300,874.01 - Step 4: Simplify right side
1,153,803.11x = 520,724,441,184.42 - Step 5: Solve for x
x = 520,724,441,184.42/1,153,803.11 - Step 6: Final answer
x = 451,311.35
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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.