Finding the Fourth Proportional to 501,661.23, 692,095.41 and 286,685.96
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Solution
The fourth proportional to 501,661.23, 692,095.41 and 286,685.96 is: 395,513.99
Step by Step Solution
- Step 1: Write the proportion equation
501,661.23 : 692,095.41 = 286,685.96 : x - Step 2: Convert to fraction form
501,661.23/692,095.41 = 286,685.96/x - Step 3: Cross multiply
501,661.23x = 692,095.41 × 286,685.96 - Step 4: Simplify right side
501,661.23x = 198,414,037,027.44 - Step 5: Solve for x
x = 198,414,037,027.44/501,661.23 - Step 6: Final answer
x = 395,513.99
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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.