Finding the Fourth Proportional to 841,214.40, 1,160,893.44 and 459,257.28
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Solution
The fourth proportional to 841,214.40, 1,160,893.44 and 459,257.28 is: 633,784.64
Step by Step Solution
- Step 1: Write the proportion equation
841,214.40 : 1,160,893.44 = 459,257.28 : x - Step 2: Convert to fraction form
841,214.40/1,160,893.44 = 459,257.28/x - Step 3: Cross multiply
841,214.40x = 1,160,893.44 × 459,257.28 - Step 4: Simplify right side
841,214.40x = 533,148,763,624.24 - Step 5: Solve for x
x = 533,148,763,624.24/841,214.40 - Step 6: Final answer
x = 633,784.64
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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.