Finding the Fourth Proportional to 505,848.51, 698,216.40 and 333,891.99
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Solution
The fourth proportional to 505,848.51, 698,216.40 and 333,891.99 is: 460,866.96
Step by Step Solution
- Step 1: Write the proportion equation
505,848.51 : 698,216.40 = 333,891.99 : x - Step 2: Convert to fraction form
505,848.51/698,216.40 = 333,891.99/x - Step 3: Cross multiply
505,848.51x = 698,216.40 × 333,891.99 - Step 4: Simplify right side
505,848.51x = 233,128,863,246.64 - Step 5: Solve for x
x = 233,128,863,246.64/505,848.51 - Step 6: Final answer
x = 460,866.96
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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.