Finding the Fourth Proportional to 811,816.08, 1,212,746.14 and 585,242.88
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Solution
The fourth proportional to 811,816.08, 1,212,746.14 and 585,242.88 is: 874,275.67
Step by Step Solution
- Step 1: Write the proportion equation
811,816.08 : 1,212,746.14 = 585,242.88 : x - Step 2: Convert to fraction form
811,816.08/1,212,746.14 = 585,242.88/x - Step 3: Cross multiply
811,816.08x = 1,212,746.14 × 585,242.88 - Step 4: Simplify right side
811,816.08x = 709,751,043,682.48 - Step 5: Solve for x
x = 709,751,043,682.48/811,816.08 - Step 6: Final answer
x = 874,275.67
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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.