Finding the Fourth Proportional to 554,907.37, 766,289.63 and 408,428.94
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Solution
The fourth proportional to 554,907.37, 766,289.63 and 408,428.94 is: 564,012.80
Step by Step Solution
- Step 1: Write the proportion equation
554,907.37 : 766,289.63 = 408,428.94 : x - Step 2: Convert to fraction form
554,907.37/766,289.63 = 408,428.94/x - Step 3: Cross multiply
554,907.37x = 766,289.63 × 408,428.94 - Step 4: Simplify right side
554,907.37x = 312,974,857,482.44 - Step 5: Solve for x
x = 312,974,857,482.44/554,907.37 - Step 6: Final answer
x = 564,012.80
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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.