Finding the Fourth Proportional to 755,220.24, 1,042,164.36 and 415,623.60
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Solution
The fourth proportional to 755,220.24, 1,042,164.36 and 415,623.60 is: 573,538.79
Step by Step Solution
- Step 1: Write the proportion equation
755,220.24 : 1,042,164.36 = 415,623.60 : x - Step 2: Convert to fraction form
755,220.24/1,042,164.36 = 415,623.60/x - Step 3: Cross multiply
755,220.24x = 1,042,164.36 × 415,623.60 - Step 4: Simplify right side
755,220.24x = 433,148,103,094.90 - Step 5: Solve for x
x = 433,148,103,094.90/755,220.24 - Step 6: Final answer
x = 573,538.79
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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.