Finding the Fourth Proportional to 622,825.36, 859,498.99 and 336,345.42
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Solution
The fourth proportional to 622,825.36, 859,498.99 and 336,345.42 is: 464,156.68
Step by Step Solution
- Step 1: Write the proportion equation
622,825.36 : 859,498.99 = 336,345.42 : x - Step 2: Convert to fraction form
622,825.36/859,498.99 = 336,345.42/x - Step 3: Cross multiply
622,825.36x = 859,498.99 × 336,345.42 - Step 4: Simplify right side
622,825.36x = 289,088,548,781.13 - Step 5: Solve for x
x = 289,088,548,781.13/622,825.36 - Step 6: Final answer
x = 464,156.68
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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.