Finding the Fourth Proportional to 799,397.15, 1,103,170.95 and 436,820.99
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Solution
The fourth proportional to 799,397.15, 1,103,170.95 and 436,820.99 is: 602,814.54
Step by Step Solution
- Step 1: Write the proportion equation
799,397.15 : 1,103,170.95 = 436,820.99 : x - Step 2: Convert to fraction form
799,397.15/1,103,170.95 = 436,820.99/x - Step 3: Cross multiply
799,397.15x = 1,103,170.95 × 436,820.99 - Step 4: Simplify right side
799,397.15x = 481,888,221,002.39 - Step 5: Solve for x
x = 481,888,221,002.39/799,397.15 - Step 6: Final answer
x = 602,814.54
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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.