Finding the Fourth Proportional to 849,972.28, 1,268,739.70 and 749,084.62
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Solution
The fourth proportional to 849,972.28, 1,268,739.70 and 749,084.62 is: 1,118,146.34
Step by Step Solution
- Step 1: Write the proportion equation
849,972.28 : 1,268,739.70 = 749,084.62 : x - Step 2: Convert to fraction form
849,972.28/1,268,739.70 = 749,084.62/x - Step 3: Cross multiply
849,972.28x = 1,268,739.70 × 749,084.62 - Step 4: Simplify right side
849,972.28x = 950,393,385,964.29 - Step 5: Solve for x
x = 950,393,385,964.29/849,972.28 - Step 6: Final answer
x = 1,118,146.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.