Finding the Fourth Proportional to 1,350,435.20, 2,025,652.80 and 353,163.20
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Solution
The fourth proportional to 1,350,435.20, 2,025,652.80 and 353,163.20 is: 529,744.80
Step by Step Solution
- Step 1: Write the proportion equation
1,350,435.20 : 2,025,652.80 = 353,163.20 : x - Step 2: Convert to fraction form
1,350,435.20/2,025,652.80 = 353,163.20/x - Step 3: Cross multiply
1,350,435.20x = 2,025,652.80 × 353,163.20 - Step 4: Simplify right side
1,350,435.20x = 715,386,024,936.96 - Step 5: Solve for x
x = 715,386,024,936.96/1,350,435.20 - Step 6: Final answer
x = 529,744.80
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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.