Finding the Fourth Proportional to 553,669.58, 830,504.36 and 543,171.98
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Solution
The fourth proportional to 553,669.58, 830,504.36 and 543,171.98 is: 814,757.96
Step by Step Solution
- Step 1: Write the proportion equation
553,669.58 : 830,504.36 = 543,171.98 : x - Step 2: Convert to fraction form
553,669.58/830,504.36 = 543,171.98/x - Step 3: Cross multiply
553,669.58x = 830,504.36 × 543,171.98 - Step 4: Simplify right side
553,669.58x = 451,106,694,825.24 - Step 5: Solve for x
x = 451,106,694,825.24/553,669.58 - Step 6: Final answer
x = 814,757.96
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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.