Finding the Fourth Proportional to 590,516.80, 883,442.40 and 512,497.60
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Solution
The fourth proportional to 590,516.80, 883,442.40 and 512,497.60 is: 766,721.81
Step by Step Solution
- Step 1: Write the proportion equation
590,516.80 : 883,442.40 = 512,497.60 : x - Step 2: Convert to fraction form
590,516.80/883,442.40 = 512,497.60/x - Step 3: Cross multiply
590,516.80x = 883,442.40 × 512,497.60 - Step 4: Simplify right side
590,516.80x = 452,762,109,738.24 - Step 5: Solve for x
x = 452,762,109,738.24/590,516.80 - Step 6: Final answer
x = 766,721.81
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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.