Finding the Fourth Proportional to 866,927.88, 1,196,406.94 and 484,931.88
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Solution
The fourth proportional to 866,927.88, 1,196,406.94 and 484,931.88 is: 669,231.99
Step by Step Solution
- Step 1: Write the proportion equation
866,927.88 : 1,196,406.94 = 484,931.88 : x - Step 2: Convert to fraction form
866,927.88/1,196,406.94 = 484,931.88/x - Step 3: Cross multiply
866,927.88x = 1,196,406.94 × 484,931.88 - Step 4: Simplify right side
866,927.88x = 580,175,866,659.25 - Step 5: Solve for x
x = 580,175,866,659.25/866,927.88 - Step 6: Final answer
x = 669,231.99
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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.