Finding the Fourth Proportional to 527,027.84, 727,297.52 and 285,310.32
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Solution
The fourth proportional to 527,027.84, 727,297.52 and 285,310.32 is: 393,727.75
Step by Step Solution
- Step 1: Write the proportion equation
527,027.84 : 727,297.52 = 285,310.32 : x - Step 2: Convert to fraction form
527,027.84/727,297.52 = 285,310.32/x - Step 3: Cross multiply
527,027.84x = 727,297.52 × 285,310.32 - Step 4: Simplify right side
527,027.84x = 207,505,488,166.41 - Step 5: Solve for x
x = 207,505,488,166.41/527,027.84 - Step 6: Final answer
x = 393,727.75
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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.