Finding the Fourth Proportional to 801,817.11, 1,106,508.06 and 439,254.09
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Solution
The fourth proportional to 801,817.11, 1,106,508.06 and 439,254.09 is: 606,170.89
Step by Step Solution
- Step 1: Write the proportion equation
801,817.11 : 1,106,508.06 = 439,254.09 : x - Step 2: Convert to fraction form
801,817.11/1,106,508.06 = 439,254.09/x - Step 3: Cross multiply
801,817.11x = 1,106,508.06 × 439,254.09 - Step 4: Simplify right side
801,817.11x = 486,038,190,972.97 - Step 5: Solve for x
x = 486,038,190,972.97/801,817.11 - Step 6: Final answer
x = 606,170.89
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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.