Finding the Fourth Proportional to 498,028.14, 687,927.06 and 402,893.64
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Solution
The fourth proportional to 498,028.14, 687,927.06 and 402,893.64 is: 556,517.62
Step by Step Solution
- Step 1: Write the proportion equation
498,028.14 : 687,927.06 = 402,893.64 : x - Step 2: Convert to fraction form
498,028.14/687,927.06 = 402,893.64/x - Step 3: Cross multiply
498,028.14x = 687,927.06 × 402,893.64 - Step 4: Simplify right side
498,028.14x = 277,161,437,257.90 - Step 5: Solve for x
x = 277,161,437,257.90/498,028.14 - Step 6: Final answer
x = 556,517.62
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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.