Finding the Fourth Proportional to 808,041.85, 1,115,106.34 and 445,478.68
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Solution
The fourth proportional to 808,041.85, 1,115,106.34 and 445,478.68 is: 614,765.31
Step by Step Solution
- Step 1: Write the proportion equation
808,041.85 : 1,115,106.34 = 445,478.68 : x - Step 2: Convert to fraction form
808,041.85/1,115,106.34 = 445,478.68/x - Step 3: Cross multiply
808,041.85x = 1,115,106.34 × 445,478.68 - Step 4: Simplify right side
808,041.85x = 496,756,098,175.44 - Step 5: Solve for x
x = 496,756,098,175.44/808,041.85 - Step 6: Final answer
x = 614,765.31
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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.