Finding the Fourth Proportional to 911,524.01, 1,257,928.49 and 503,652.12
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Solution
The fourth proportional to 911,524.01, 1,257,928.49 and 503,652.12 is: 695,053.94
Step by Step Solution
- Step 1: Write the proportion equation
911,524.01 : 1,257,928.49 = 503,652.12 : x - Step 2: Convert to fraction form
911,524.01/1,257,928.49 = 503,652.12/x - Step 3: Cross multiply
911,524.01x = 1,257,928.49 × 503,652.12 - Step 4: Simplify right side
911,524.01x = 633,558,350,796.90 - Step 5: Solve for x
x = 633,558,350,796.90/911,524.01 - Step 6: Final answer
x = 695,053.94
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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.