Finding the Fourth Proportional to 622,782.24, 859,442.12 and 350,853.40
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Solution
The fourth proportional to 622,782.24, 859,442.12 and 350,853.40 is: 484,179.17
Step by Step Solution
- Step 1: Write the proportion equation
622,782.24 : 859,442.12 = 350,853.40 : x - Step 2: Convert to fraction form
622,782.24/859,442.12 = 350,853.40/x - Step 3: Cross multiply
622,782.24x = 859,442.12 × 350,853.40 - Step 4: Simplify right side
622,782.24x = 301,538,189,905.21 - Step 5: Solve for x
x = 301,538,189,905.21/622,782.24 - Step 6: Final answer
x = 484,179.17
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1.5x scale
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.