Finding the Fourth Proportional to 485,029.70, 727,544.55 and 485,029.70
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Solution
The fourth proportional to 485,029.70, 727,544.55 and 485,029.70 is: 727,544.55
Step by Step Solution
- Step 1: Write the proportion equation
485,029.70 : 727,544.55 = 485,029.70 : x - Step 2: Convert to fraction form
485,029.70/727,544.55 = 485,029.70/x - Step 3: Cross multiply
485,029.70x = 727,544.55 × 485,029.70 - Step 4: Simplify right side
485,029.70x = 352,880,714,823.14 - Step 5: Solve for x
x = 352,880,714,823.14/485,029.70 - Step 6: Final answer
x = 727,544.55
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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.