Finding the Fourth Proportional to 801,697.87, 1,106,358.99 and 439,121.76
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Solution
The fourth proportional to 801,697.87, 1,106,358.99 and 439,121.76 is: 605,996.74
Step by Step Solution
- Step 1: Write the proportion equation
801,697.87 : 1,106,358.99 = 439,121.76 : x - Step 2: Convert to fraction form
801,697.87/1,106,358.99 = 439,121.76/x - Step 3: Cross multiply
801,697.87x = 1,106,358.99 × 439,121.76 - Step 4: Simplify right side
801,697.87x = 485,826,299,153.22 - Step 5: Solve for x
x = 485,826,299,153.22/801,697.87 - Step 6: Final answer
x = 605,996.74
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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.