Finding the Fourth Proportional to 790,182.18, 1,090,334.09 and 479,923.31
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Solution
The fourth proportional to 790,182.18, 1,090,334.09 and 479,923.31 is: 662,222.92
Step by Step Solution
- Step 1: Write the proportion equation
790,182.18 : 1,090,334.09 = 479,923.31 : x - Step 2: Convert to fraction form
790,182.18/1,090,334.09 = 479,923.31/x - Step 3: Cross multiply
790,182.18x = 1,090,334.09 × 479,923.31 - Step 4: Simplify right side
790,182.18x = 523,276,749,404.28 - Step 5: Solve for x
x = 523,276,749,404.28/790,182.18 - Step 6: Final answer
x = 662,222.92
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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.