Finding the Fourth Proportional to 1,036,310.08, 1,430,086.36 and 577,422.80
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Solution
The fourth proportional to 1,036,310.08, 1,430,086.36 and 577,422.80 is: 796,831.46
Step by Step Solution
- Step 1: Write the proportion equation
1,036,310.08 : 1,430,086.36 = 577,422.80 : x - Step 2: Convert to fraction form
1,036,310.08/1,430,086.36 = 577,422.80/x - Step 3: Cross multiply
1,036,310.08x = 1,430,086.36 × 577,422.80 - Step 4: Simplify right side
1,036,310.08x = 825,764,470,233.01 - Step 5: Solve for x
x = 825,764,470,233.01/1,036,310.08 - Step 6: Final answer
x = 796,831.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.