Finding the Fourth Proportional to 753,717.11, 1,130,332.67 and 248,157.70
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Solution
The fourth proportional to 753,717.11, 1,130,332.67 and 248,157.70 is: 372,156.54
Step by Step Solution
- Step 1: Write the proportion equation
753,717.11 : 1,130,332.67 = 248,157.70 : x - Step 2: Convert to fraction form
753,717.11/1,130,332.67 = 248,157.70/x - Step 3: Cross multiply
753,717.11x = 1,130,332.67 × 248,157.70 - Step 4: Simplify right side
753,717.11x = 280,500,749,970.40 - Step 5: Solve for x
x = 280,500,749,970.40/753,717.11 - Step 6: Final answer
x = 372,156.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.