Finding the Fourth Proportional to 495,299.48, 683,532.88 and 277,510.05
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Solution
The fourth proportional to 495,299.48, 683,532.88 and 277,510.05 is: 382,974.84
Step by Step Solution
- Step 1: Write the proportion equation
495,299.48 : 683,532.88 = 277,510.05 : x - Step 2: Convert to fraction form
495,299.48/683,532.88 = 277,510.05/x - Step 3: Cross multiply
495,299.48x = 683,532.88 × 277,510.05 - Step 4: Simplify right side
495,299.48x = 189,687,240,287.78 - Step 5: Solve for x
x = 189,687,240,287.78/495,299.48 - Step 6: Final answer
x = 382,974.84
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1.5x scale
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.