Finding the Fourth Proportional to 971,004.07, 1,340,559.57 and 863,276.08
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Solution
The fourth proportional to 971,004.07, 1,340,559.57 and 863,276.08 is: 1,191,831.27
Step by Step Solution
- Step 1: Write the proportion equation
971,004.07 : 1,340,559.57 = 863,276.08 : x - Step 2: Convert to fraction form
971,004.07/1,340,559.57 = 863,276.08/x - Step 3: Cross multiply
971,004.07x = 1,340,559.57 × 863,276.08 - Step 4: Simplify right side
971,004.07x = 1,157,273,010,596.09 - Step 5: Solve for x
x = 1,157,273,010,596.09/971,004.07 - Step 6: Final answer
x = 1,191,831.27
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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.