Finding the Fourth Proportional to 906,193.68, 1,250,552.16 and 498,321.84
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Solution
The fourth proportional to 906,193.68, 1,250,552.16 and 498,321.84 is: 687,686.82
Step by Step Solution
- Step 1: Write the proportion equation
906,193.68 : 1,250,552.16 = 498,321.84 : x - Step 2: Convert to fraction form
906,193.68/1,250,552.16 = 498,321.84/x - Step 3: Cross multiply
906,193.68x = 1,250,552.16 × 498,321.84 - Step 4: Simplify right side
906,193.68x = 623,177,453,387.18 - Step 5: Solve for x
x = 623,177,453,387.18/906,193.68 - Step 6: Final answer
x = 687,686.82
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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.