Finding the Fourth Proportional to 495,809.79, 683,984.16 and 359,544.84
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Solution
The fourth proportional to 495,809.79, 683,984.16 and 359,544.84 is: 496,002.66
Step by Step Solution
- Step 1: Write the proportion equation
495,809.79 : 683,984.16 = 359,544.84 : x - Step 2: Convert to fraction form
495,809.79/683,984.16 = 359,544.84/x - Step 3: Cross multiply
495,809.79x = 683,984.16 × 359,544.84 - Step 4: Simplify right side
495,809.79x = 245,922,975,369.73 - Step 5: Solve for x
x = 245,922,975,369.73/495,809.79 - Step 6: Final answer
x = 496,002.66
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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.