Finding the Fourth Proportional to 890,251.10, 1,227,868.64 and 766,283.05
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Solution
The fourth proportional to 890,251.10, 1,227,868.64 and 766,283.05 is: 1,056,887.12
Step by Step Solution
- Step 1: Write the proportion equation
890,251.10 : 1,227,868.64 = 766,283.05 : x - Step 2: Convert to fraction form
890,251.10/1,227,868.64 = 766,283.05/x - Step 3: Cross multiply
890,251.10x = 1,227,868.64 × 766,283.05 - Step 4: Simplify right side
890,251.10x = 940,894,927,035.53 - Step 5: Solve for x
x = 940,894,927,035.53/890,251.10 - Step 6: Final answer
x = 1,056,887.12
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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.