Finding the Fourth Proportional to 806,963.80, 1,210,445.70 and 492,035.80
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Solution
The fourth proportional to 806,963.80, 1,210,445.70 and 492,035.80 is: 738,053.70
Step by Step Solution
- Step 1: Write the proportion equation
806,963.80 : 1,210,445.70 = 492,035.80 : x - Step 2: Convert to fraction form
806,963.80/1,210,445.70 = 492,035.80/x - Step 3: Cross multiply
806,963.80x = 1,210,445.70 × 492,035.80 - Step 4: Simplify right side
806,963.80x = 595,582,618,356.06 - Step 5: Solve for x
x = 595,582,618,356.06/806,963.80 - Step 6: Final answer
x = 738,053.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.