Finding the Fourth Proportional to 622,959.42, 859,684.59 and 336,479.49
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Solution
The fourth proportional to 622,959.42, 859,684.59 and 336,479.49 is: 464,342.02
Step by Step Solution
- Step 1: Write the proportion equation
622,959.42 : 859,684.59 = 336,479.49 : x - Step 2: Convert to fraction form
622,959.42/859,684.59 = 336,479.49/x - Step 3: Cross multiply
622,959.42x = 859,684.59 × 336,479.49 - Step 4: Simplify right side
622,959.42x = 289,266,232,404.06 - Step 5: Solve for x
x = 289,266,232,404.06/622,959.42 - Step 6: Final answer
x = 464,342.02
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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.