Finding the Fourth Proportional to 498,599.36, 688,058.44 and 283,734.96
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Solution
The fourth proportional to 498,599.36, 688,058.44 and 283,734.96 is: 391,549.31
Step by Step Solution
- Step 1: Write the proportion equation
498,599.36 : 688,058.44 = 283,734.96 : x - Step 2: Convert to fraction form
498,599.36/688,058.44 = 283,734.96/x - Step 3: Cross multiply
498,599.36x = 688,058.44 × 283,734.96 - Step 4: Simplify right side
498,599.36x = 195,226,233,951.06 - Step 5: Solve for x
x = 195,226,233,951.06/498,599.36 - Step 6: Final answer
x = 391,549.31
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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.