Finding the Fourth Proportional to 900,880.18, 1,243,214.75 and 492,982.11
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Solution
The fourth proportional to 900,880.18, 1,243,214.75 and 492,982.11 is: 680,315.36
Step by Step Solution
- Step 1: Write the proportion equation
900,880.18 : 1,243,214.75 = 492,982.11 : x - Step 2: Convert to fraction form
900,880.18/1,243,214.75 = 492,982.11/x - Step 3: Cross multiply
900,880.18x = 1,243,214.75 × 492,982.11 - Step 4: Simplify right side
900,880.18x = 612,882,621,957.14 - Step 5: Solve for x
x = 612,882,621,957.14/900,880.18 - Step 6: Final answer
x = 680,315.36
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1.5x scale
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.