Finding the Fourth Proportional to 1,010,831.09, 1,394,941.35 and 551,942.41
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Solution
The fourth proportional to 1,010,831.09, 1,394,941.35 and 551,942.41 is: 761,677.49
Step by Step Solution
- Step 1: Write the proportion equation
1,010,831.09 : 1,394,941.35 = 551,942.41 : x - Step 2: Convert to fraction form
1,010,831.09/1,394,941.35 = 551,942.41/x - Step 3: Cross multiply
1,010,831.09x = 1,394,941.35 × 551,942.41 - Step 4: Simplify right side
1,010,831.09x = 769,927,283,552.95 - Step 5: Solve for x
x = 769,927,283,552.95/1,010,831.09 - Step 6: Final answer
x = 761,677.49
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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.