Finding the Fourth Proportional to 646,642.33, 892,436.02 and 356,283.08
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Solution
The fourth proportional to 646,642.33, 892,436.02 and 356,283.08 is: 491,709.00
Step by Step Solution
- Step 1: Write the proportion equation
646,642.33 : 892,436.02 = 356,283.08 : x - Step 2: Convert to fraction form
646,642.33/892,436.02 = 356,283.08/x - Step 3: Cross multiply
646,642.33x = 892,436.02 × 356,283.08 - Step 4: Simplify right side
646,642.33x = 317,959,853,911.24 - Step 5: Solve for x
x = 317,959,853,911.24/646,642.33 - Step 6: Final answer
x = 491,709.00
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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.