Finding the Fourth Proportional to 891,831.53, 1,229,028.49 and 875,434.67
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Solution
The fourth proportional to 891,831.53, 1,229,028.49 and 875,434.67 is: 1,206,432.06
Step by Step Solution
- Step 1: Write the proportion equation
891,831.53 : 1,229,028.49 = 875,434.67 : x - Step 2: Convert to fraction form
891,831.53/1,229,028.49 = 875,434.67/x - Step 3: Cross multiply
891,831.53x = 1,229,028.49 × 875,434.67 - Step 4: Simplify right side
891,831.53x = 1,075,934,150,121.76 - Step 5: Solve for x
x = 1,075,934,150,121.76/891,831.53 - Step 6: Final answer
x = 1,206,432.06
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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.