Finding the Fourth Proportional to 951,523.12, 1,313,119.95 and 521,777.62
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Solution
The fourth proportional to 951,523.12, 1,313,119.95 and 521,777.62 is: 720,063.01
Step by Step Solution
- Step 1: Write the proportion equation
951,523.12 : 1,313,119.95 = 521,777.62 : x - Step 2: Convert to fraction form
951,523.12/1,313,119.95 = 521,777.62/x - Step 3: Cross multiply
951,523.12x = 1,313,119.95 × 521,777.62 - Step 4: Simplify right side
951,523.12x = 685,156,602,285.52 - Step 5: Solve for x
x = 685,156,602,285.52/951,523.12 - Step 6: Final answer
x = 720,063.01
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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.