Finding the Fourth Proportional to 671,862.62, 1,005,426.92 and 419,261.99
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Solution
The fourth proportional to 671,862.62, 1,005,426.92 and 419,261.99 is: 627,415.90
Step by Step Solution
- Step 1: Write the proportion equation
671,862.62 : 1,005,426.92 = 419,261.99 : x - Step 2: Convert to fraction form
671,862.62/1,005,426.92 = 419,261.99/x - Step 3: Cross multiply
671,862.62x = 1,005,426.92 × 419,261.99 - Step 4: Simplify right side
671,862.62x = 421,537,284,155.33 - Step 5: Solve for x
x = 421,537,284,155.33/671,862.62 - Step 6: Final answer
x = 627,415.90
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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.