Finding the Fourth Proportional to 882,831.42, 1,218,223.08 and 495,558.09
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Solution
The fourth proportional to 882,831.42, 1,218,223.08 and 495,558.09 is: 683,822.86
Step by Step Solution
- Step 1: Write the proportion equation
882,831.42 : 1,218,223.08 = 495,558.09 : x - Step 2: Convert to fraction form
882,831.42/1,218,223.08 = 495,558.09/x - Step 3: Cross multiply
882,831.42x = 1,218,223.08 × 495,558.09 - Step 4: Simplify right side
882,831.42x = 603,700,302,718.72 - Step 5: Solve for x
x = 603,700,302,718.72/882,831.42 - Step 6: Final answer
x = 683,822.86
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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.