Finding the Fourth Proportional to 888,790.51, 1,226,525.66 and 506,809.09
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Solution
The fourth proportional to 888,790.51, 1,226,525.66 and 506,809.09 is: 699,393.55
Step by Step Solution
- Step 1: Write the proportion equation
888,790.51 : 1,226,525.66 = 506,809.09 : x - Step 2: Convert to fraction form
888,790.51/1,226,525.66 = 506,809.09/x - Step 3: Cross multiply
888,790.51x = 1,226,525.66 × 506,809.09 - Step 4: Simplify right side
888,790.51x = 621,614,351,072.20 - Step 5: Solve for x
x = 621,614,351,072.20/888,790.51 - Step 6: Final answer
x = 699,393.55
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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.