Finding the Fourth Proportional to 734,964.60, 1,102,382.10 and 202,438.20
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Solution
The fourth proportional to 734,964.60, 1,102,382.10 and 202,438.20 is: 303,639.45
Step by Step Solution
- Step 1: Write the proportion equation
734,964.60 : 1,102,382.10 = 202,438.20 : x - Step 2: Convert to fraction form
734,964.60/1,102,382.10 = 202,438.20/x - Step 3: Cross multiply
734,964.60x = 1,102,382.10 × 202,438.20 - Step 4: Simplify right side
734,964.60x = 223,164,248,036.22 - Step 5: Solve for x
x = 223,164,248,036.22/734,964.60 - Step 6: Final answer
x = 303,639.45
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1.5x scale
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.