Finding the Fourth Proportional to 907,517.79, 1,361,562.62 and 427,726.17
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Solution
The fourth proportional to 907,517.79, 1,361,562.62 and 427,726.17 is: 641,724.02
Step by Step Solution
- Step 1: Write the proportion equation
907,517.79 : 1,361,562.62 = 427,726.17 : x - Step 2: Convert to fraction form
907,517.79/1,361,562.62 = 427,726.17/x - Step 3: Cross multiply
907,517.79x = 1,361,562.62 × 427,726.17 - Step 4: Simplify right side
907,517.79x = 582,375,962,529.14 - Step 5: Solve for x
x = 582,375,962,529.14/907,517.79 - Step 6: Final answer
x = 641,724.02
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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.