Finding the Fourth Proportional to 935,648.16, 1,403,581.92 and 328,250.76
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Solution
The fourth proportional to 935,648.16, 1,403,581.92 and 328,250.76 is: 492,414.62
Step by Step Solution
- Step 1: Write the proportion equation
935,648.16 : 1,403,581.92 = 328,250.76 : x - Step 2: Convert to fraction form
935,648.16/1,403,581.92 = 328,250.76/x - Step 3: Cross multiply
935,648.16x = 1,403,581.92 × 328,250.76 - Step 4: Simplify right side
935,648.16x = 460,726,831,962.26 - Step 5: Solve for x
x = 460,726,831,962.26/935,648.16 - Step 6: Final answer
x = 492,414.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.