Finding the Fourth Proportional to 735,129.60, 1,102,726.80 and 415,276.80
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Solution
The fourth proportional to 735,129.60, 1,102,726.80 and 415,276.80 is: 622,933.50
Step by Step Solution
- Step 1: Write the proportion equation
735,129.60 : 1,102,726.80 = 415,276.80 : x - Step 2: Convert to fraction form
735,129.60/1,102,726.80 = 415,276.80/x - Step 3: Cross multiply
735,129.60x = 1,102,726.80 × 415,276.80 - Step 4: Simplify right side
735,129.60x = 457,936,856,778.24 - Step 5: Solve for x
x = 457,936,856,778.24/735,129.60 - Step 6: Final answer
x = 622,933.50
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1.5x scale
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.