Finding the Fourth Proportional to 671,980.74, 1,007,464.23 and 405,677.94
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Solution
The fourth proportional to 671,980.74, 1,007,464.23 and 405,677.94 is: 608,210.90
Step by Step Solution
- Step 1: Write the proportion equation
671,980.74 : 1,007,464.23 = 405,677.94 : x - Step 2: Convert to fraction form
671,980.74/1,007,464.23 = 405,677.94/x - Step 3: Cross multiply
671,980.74x = 1,007,464.23 × 405,677.94 - Step 4: Simplify right side
671,980.74x = 408,706,013,450.09 - Step 5: Solve for x
x = 408,706,013,450.09/671,980.74 - Step 6: Final answer
x = 608,210.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.