Finding the Fourth Proportional to 750,528.18, 1,123,132.91 and 661,954.68
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Solution
The fourth proportional to 750,528.18, 1,123,132.91 and 661,954.68 is: 990,586.50
Step by Step Solution
- Step 1: Write the proportion equation
750,528.18 : 1,123,132.91 = 661,954.68 : x - Step 2: Convert to fraction form
750,528.18/1,123,132.91 = 661,954.68/x - Step 3: Cross multiply
750,528.18x = 1,123,132.91 × 661,954.68 - Step 4: Simplify right side
750,528.18x = 743,463,082,726.75 - Step 5: Solve for x
x = 743,463,082,726.75/750,528.18 - Step 6: Final answer
x = 990,586.50
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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.