Finding the Fourth Proportional to 968,622.13, 1,453,260.18 and 428,803.96
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Solution
The fourth proportional to 968,622.13, 1,453,260.18 and 428,803.96 is: 643,350.69
Step by Step Solution
- Step 1: Write the proportion equation
968,622.13 : 1,453,260.18 = 428,803.96 : x - Step 2: Convert to fraction form
968,622.13/1,453,260.18 = 428,803.96/x - Step 3: Cross multiply
968,622.13x = 1,453,260.18 × 428,803.96 - Step 4: Simplify right side
968,622.13x = 623,163,720,094.31 - Step 5: Solve for x
x = 623,163,720,094.31/968,622.13 - Step 6: Final answer
x = 643,350.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.