Finding the Fourth Proportional to 440,830.80, 661,246.20 and 414,565.20
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Solution
The fourth proportional to 440,830.80, 661,246.20 and 414,565.20 is: 621,847.80
Step by Step Solution
- Step 1: Write the proportion equation
440,830.80 : 661,246.20 = 414,565.20 : x - Step 2: Convert to fraction form
440,830.80/661,246.20 = 414,565.20/x - Step 3: Cross multiply
440,830.80x = 661,246.20 × 414,565.20 - Step 4: Simplify right side
440,830.80x = 274,129,663,152.24 - Step 5: Solve for x
x = 274,129,663,152.24/440,830.80 - Step 6: Final answer
x = 621,847.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.