Finding the Fourth Proportional to 735,479.20, 1,014,923.28 and 413,202.88
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Solution
The fourth proportional to 735,479.20, 1,014,923.28 and 413,202.88 is: 570,198.62
Step by Step Solution
- Step 1: Write the proportion equation
735,479.20 : 1,014,923.28 = 413,202.88 : x - Step 2: Convert to fraction form
735,479.20/1,014,923.28 = 413,202.88/x - Step 3: Cross multiply
735,479.20x = 1,014,923.28 × 413,202.88 - Step 4: Simplify right side
735,479.20x = 419,369,222,275.05 - Step 5: Solve for x
x = 419,369,222,275.05/735,479.20 - Step 6: Final answer
x = 570,198.62
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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.