Finding the Fourth Proportional to 477,979.36, 716,803.78 and 211,925.94
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Solution
The fourth proportional to 477,979.36, 716,803.78 and 211,925.94 is: 317,815.64
Step by Step Solution
- Step 1: Write the proportion equation
477,979.36 : 716,803.78 = 211,925.94 : x - Step 2: Convert to fraction form
477,979.36/716,803.78 = 211,925.94/x - Step 3: Cross multiply
477,979.36x = 716,803.78 × 211,925.94 - Step 4: Simplify right side
477,979.36x = 151,909,314,872.05 - Step 5: Solve for x
x = 151,909,314,872.05/477,979.36 - Step 6: Final answer
x = 317,815.64
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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.