Finding the Fourth Proportional to 571,518.23, 857,791.28 and 305,506.13
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Solution
The fourth proportional to 571,518.23, 857,791.28 and 305,506.13 is: 458,533.92
Step by Step Solution
- Step 1: Write the proportion equation
571,518.23 : 857,791.28 = 305,506.13 : x - Step 2: Convert to fraction form
571,518.23/857,791.28 = 305,506.13/x - Step 3: Cross multiply
571,518.23x = 857,791.28 × 305,506.13 - Step 4: Simplify right side
571,518.23x = 262,060,490,775.36 - Step 5: Solve for x
x = 262,060,490,775.36/571,518.23 - Step 6: Final answer
x = 458,533.92
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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.