Finding the Fourth Proportional to 799,556.28, 1,103,385.80 and 455,392.14
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Solution
The fourth proportional to 799,556.28, 1,103,385.80 and 455,392.14 is: 628,440.09
Step by Step Solution
- Step 1: Write the proportion equation
799,556.28 : 1,103,385.80 = 455,392.14 : x - Step 2: Convert to fraction form
799,556.28/1,103,385.80 = 455,392.14/x - Step 3: Cross multiply
799,556.28x = 1,103,385.80 × 455,392.14 - Step 4: Simplify right side
799,556.28x = 502,473,220,707.61 - Step 5: Solve for x
x = 502,473,220,707.61/799,556.28 - Step 6: Final answer
x = 628,440.09
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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.