Finding the Fourth Proportional to 521,723.70, 732,512.70 and 521,723.70
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Solution
The fourth proportional to 521,723.70, 732,512.70 and 521,723.70 is: 732,512.70
Step by Step Solution
- Step 1: Write the proportion equation
521,723.70 : 732,512.70 = 521,723.70 : x - Step 2: Convert to fraction form
521,723.70/732,512.70 = 521,723.70/x - Step 3: Cross multiply
521,723.70x = 732,512.70 × 521,723.70 - Step 4: Simplify right side
521,723.70x = 382,169,236,140.99 - Step 5: Solve for x
x = 382,169,236,140.99/521,723.70 - Step 6: Final answer
x = 732,512.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.