Finding the Fourth Proportional to 716,557.24, 1,074,662.70 and 210,980.62
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Solution
The fourth proportional to 716,557.24, 1,074,662.70 and 210,980.62 is: 316,419.95
Step by Step Solution
- Step 1: Write the proportion equation
716,557.24 : 1,074,662.70 = 210,980.62 : x - Step 2: Convert to fraction form
716,557.24/1,074,662.70 = 210,980.62/x - Step 3: Cross multiply
716,557.24x = 1,074,662.70 × 210,980.62 - Step 4: Simplify right side
716,557.24x = 226,733,002,736.87 - Step 5: Solve for x
x = 226,733,002,736.87/716,557.24 - Step 6: Final answer
x = 316,419.95
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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.