Finding the Fourth Proportional to 801,778.15, 1,106,457.01 and 439,204.53
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Solution
The fourth proportional to 801,778.15, 1,106,457.01 and 439,204.53 is: 606,103.99
Step by Step Solution
- Step 1: Write the proportion equation
801,778.15 : 1,106,457.01 = 439,204.53 : x - Step 2: Convert to fraction form
801,778.15/1,106,457.01 = 439,204.53/x - Step 3: Cross multiply
801,778.15x = 1,106,457.01 × 439,204.53 - Step 4: Simplify right side
801,778.15x = 485,960,930,340.16 - Step 5: Solve for x
x = 485,960,930,340.16/801,778.15 - Step 6: Final answer
x = 606,103.99
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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.