Finding the Fourth Proportional to 914,312.70, 1,276,888.50 and 914,312.70
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Solution
The fourth proportional to 914,312.70, 1,276,888.50 and 914,312.70 is: 1,276,888.50
Step by Step Solution
- Step 1: Write the proportion equation
914,312.70 : 1,276,888.50 = 914,312.70 : x - Step 2: Convert to fraction form
914,312.70/1,276,888.50 = 914,312.70/x - Step 3: Cross multiply
914,312.70x = 1,276,888.50 × 914,312.70 - Step 4: Simplify right side
914,312.70x = 1,167,475,372,033.95 - Step 5: Solve for x
x = 1,167,475,372,033.95/914,312.70 - Step 6: Final answer
x = 1,276,888.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.