Finding the Fourth Proportional to 956,517.12, 1,320,053.28 and 526,797.12
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Solution
The fourth proportional to 956,517.12, 1,320,053.28 and 526,797.12 is: 727,012.88
Step by Step Solution
- Step 1: Write the proportion equation
956,517.12 : 1,320,053.28 = 526,797.12 : x - Step 2: Convert to fraction form
956,517.12/1,320,053.28 = 526,797.12/x - Step 3: Cross multiply
956,517.12x = 1,320,053.28 × 526,797.12 - Step 4: Simplify right side
956,517.12x = 695,400,266,150.55 - Step 5: Solve for x
x = 695,400,266,150.55/956,517.12 - Step 6: Final answer
x = 727,012.88
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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.