Finding the Fourth Proportional to 911,527.63, 1,257,933.49 and 503,655.75
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Solution
The fourth proportional to 911,527.63, 1,257,933.49 and 503,655.75 is: 695,058.95
Step by Step Solution
- Step 1: Write the proportion equation
911,527.63 : 1,257,933.49 = 503,655.75 : x - Step 2: Convert to fraction form
911,527.63/1,257,933.49 = 503,655.75/x - Step 3: Cross multiply
911,527.63x = 1,257,933.49 × 503,655.75 - Step 4: Simplify right side
911,527.63x = 633,565,435,356.07 - Step 5: Solve for x
x = 633,565,435,356.07/911,527.63 - Step 6: Final answer
x = 695,058.95
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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.