Finding the Fourth Proportional to 1,531,295.50, 2,296,768.16 and 409,451.98
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Solution
The fourth proportional to 1,531,295.50, 2,296,768.16 and 409,451.98 is: 614,131.15
Step by Step Solution
- Step 1: Write the proportion equation
1,531,295.50 : 2,296,768.16 = 409,451.98 : x - Step 2: Convert to fraction form
1,531,295.50/2,296,768.16 = 409,451.98/x - Step 3: Cross multiply
1,531,295.50x = 2,296,768.16 × 409,451.98 - Step 4: Simplify right side
1,531,295.50x = 940,416,270,712.96 - Step 5: Solve for x
x = 940,416,270,712.96/1,531,295.50 - Step 6: Final answer
x = 614,131.15
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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.