Finding the Fourth Proportional to 516,889.41, 713,202.79 and 301,987.90
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Solution
The fourth proportional to 516,889.41, 713,202.79 and 301,987.90 is: 416,682.19
Step by Step Solution
- Step 1: Write the proportion equation
516,889.41 : 713,202.79 = 301,987.90 : x - Step 2: Convert to fraction form
516,889.41/713,202.79 = 301,987.90/x - Step 3: Cross multiply
516,889.41x = 713,202.79 × 301,987.90 - Step 4: Simplify right side
516,889.41x = 215,378,612,826.24 - Step 5: Solve for x
x = 215,378,612,826.24/516,889.41 - Step 6: Final answer
x = 416,682.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.