Finding the Fourth Proportional to 887,373.12, 1,224,575.28 and 484,965.12
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Solution
The fourth proportional to 887,373.12, 1,224,575.28 and 484,965.12 is: 669,252.07
Step by Step Solution
- Step 1: Write the proportion equation
887,373.12 : 1,224,575.28 = 484,965.12 : x - Step 2: Convert to fraction form
887,373.12/1,224,575.28 = 484,965.12/x - Step 3: Cross multiply
887,373.12x = 1,224,575.28 × 484,965.12 - Step 4: Simplify right side
887,373.12x = 593,876,297,614.23 - Step 5: Solve for x
x = 593,876,297,614.23/887,373.12 - Step 6: Final answer
x = 669,252.07
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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.