Finding the Fourth Proportional to 572,489.94, 790,005.26 and 317,824.73
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Solution
The fourth proportional to 572,489.94, 790,005.26 and 317,824.73 is: 438,580.99
Step by Step Solution
- Step 1: Write the proportion equation
572,489.94 : 790,005.26 = 317,824.73 : x - Step 2: Convert to fraction form
572,489.94/790,005.26 = 317,824.73/x - Step 3: Cross multiply
572,489.94x = 790,005.26 × 317,824.73 - Step 4: Simplify right side
572,489.94x = 251,083,204,508.05 - Step 5: Solve for x
x = 251,083,204,508.05/572,489.94 - Step 6: Final answer
x = 438,580.99
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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.