Finding the Fourth Proportional to 718,416.23, 1,077,554.37 and 291,977.62
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Solution
The fourth proportional to 718,416.23, 1,077,554.37 and 291,977.62 is: 437,937.99
Step by Step Solution
- Step 1: Write the proportion equation
718,416.23 : 1,077,554.37 = 291,977.62 : x - Step 2: Convert to fraction form
718,416.23/1,077,554.37 = 291,977.62/x - Step 3: Cross multiply
718,416.23x = 1,077,554.37 × 291,977.62 - Step 4: Simplify right side
718,416.23x = 314,621,760,373.20 - Step 5: Solve for x
x = 314,621,760,373.20/718,416.23 - Step 6: Final answer
x = 437,937.99
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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.