Finding the Fourth Proportional to 1,036,309.07, 1,430,084.97 and 577,421.81
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Solution
The fourth proportional to 1,036,309.07, 1,430,084.97 and 577,421.81 is: 796,830.09
Step by Step Solution
- Step 1: Write the proportion equation
1,036,309.07 : 1,430,084.97 = 577,421.81 : x - Step 2: Convert to fraction form
1,036,309.07/1,430,084.97 = 577,421.81/x - Step 3: Cross multiply
1,036,309.07x = 1,430,084.97 × 577,421.81 - Step 4: Simplify right side
1,036,309.07x = 825,762,251,831.20 - Step 5: Solve for x
x = 825,762,251,831.20/1,036,309.07 - Step 6: Final answer
x = 796,830.09
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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.