Finding the Fourth Proportional to 969,431.17, 1,454,811.01 and 338,344.99
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Solution
The fourth proportional to 969,431.17, 1,454,811.01 and 338,344.99 is: 507,749.32
Step by Step Solution
- Step 1: Write the proportion equation
969,431.17 : 1,454,811.01 = 338,344.99 : x - Step 2: Convert to fraction form
969,431.17/1,454,811.01 = 338,344.99/x - Step 3: Cross multiply
969,431.17x = 1,454,811.01 × 338,344.99 - Step 4: Simplify right side
969,431.17x = 492,228,016,630.34 - Step 5: Solve for x
x = 492,228,016,630.34/969,431.17 - Step 6: Final answer
x = 507,749.32
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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.