Finding the Fourth Proportional to 984,889.80, 1,477,334.70 and 512,497.80
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Solution
The fourth proportional to 984,889.80, 1,477,334.70 and 512,497.80 is: 768,746.70
Step by Step Solution
- Step 1: Write the proportion equation
984,889.80 : 1,477,334.70 = 512,497.80 : x - Step 2: Convert to fraction form
984,889.80/1,477,334.70 = 512,497.80/x - Step 3: Cross multiply
984,889.80x = 1,477,334.70 × 512,497.80 - Step 4: Simplify right side
984,889.80x = 757,130,783,613.66 - Step 5: Solve for x
x = 757,130,783,613.66/984,889.80 - Step 6: Final answer
x = 768,746.70
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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.