Finding the Fourth Proportional to 857,938.94, 1,184,060.73 and 495,362.19
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Solution
The fourth proportional to 857,938.94, 1,184,060.73 and 495,362.19 is: 683,660.45
Step by Step Solution
- Step 1: Write the proportion equation
857,938.94 : 1,184,060.73 = 495,362.19 : x - Step 2: Convert to fraction form
857,938.94/1,184,060.73 = 495,362.19/x - Step 3: Cross multiply
857,938.94x = 1,184,060.73 × 495,362.19 - Step 4: Simplify right side
857,938.94x = 586,538,916,305.80 - Step 5: Solve for x
x = 586,538,916,305.80/857,938.94 - Step 6: Final answer
x = 683,660.45
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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.