Finding the Fourth Proportional to 1,087,249.63, 1,630,228.37 and 413,380.26
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Solution
The fourth proportional to 1,087,249.63, 1,630,228.37 and 413,380.26 is: 619,824.75
Step by Step Solution
- Step 1: Write the proportion equation
1,087,249.63 : 1,630,228.37 = 413,380.26 : x - Step 2: Convert to fraction form
1,087,249.63/1,630,228.37 = 413,380.26/x - Step 3: Cross multiply
1,087,249.63x = 1,630,228.37 × 413,380.26 - Step 4: Simplify right side
1,087,249.63x = 673,904,227,449.98 - Step 5: Solve for x
x = 673,904,227,449.98/1,087,249.63 - Step 6: Final answer
x = 619,824.75
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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.