Finding the Fourth Proportional to 984,946.70, 1,477,468.65 and 512,554.70
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Solution
The fourth proportional to 984,946.70, 1,477,468.65 and 512,554.70 is: 768,857.34
Step by Step Solution
- Step 1: Write the proportion equation
984,946.70 : 1,477,468.65 = 512,554.70 : x - Step 2: Convert to fraction form
984,946.70/1,477,468.65 = 512,554.70/x - Step 3: Cross multiply
984,946.70x = 1,477,468.65 × 512,554.70 - Step 4: Simplify right side
984,946.70x = 757,283,500,660.16 - Step 5: Solve for x
x = 757,283,500,660.16/984,946.70 - Step 6: Final answer
x = 768,857.34
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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.