Finding the Fourth Proportional to 513,497.97, 708,572.88 and 284,018.76
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Solution
The fourth proportional to 513,497.97, 708,572.88 and 284,018.76 is: 391,915.84
Step by Step Solution
- Step 1: Write the proportion equation
513,497.97 : 708,572.88 = 284,018.76 : x - Step 2: Convert to fraction form
513,497.97/708,572.88 = 284,018.76/x - Step 3: Cross multiply
513,497.97x = 708,572.88 × 284,018.76 - Step 4: Simplify right side
513,497.97x = 201,247,990,747.23 - Step 5: Solve for x
x = 201,247,990,747.23/513,497.97 - Step 6: Final answer
x = 391,915.84
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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.