Finding the Fourth Proportional to 403,815.40, 605,723.10 and 363,725.80
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Solution
The fourth proportional to 403,815.40, 605,723.10 and 363,725.80 is: 545,588.70
Step by Step Solution
- Step 1: Write the proportion equation
403,815.40 : 605,723.10 = 363,725.80 : x - Step 2: Convert to fraction form
403,815.40/605,723.10 = 363,725.80/x - Step 3: Cross multiply
403,815.40x = 605,723.10 × 363,725.80 - Step 4: Simplify right side
403,815.40x = 220,317,119,125.98 - Step 5: Solve for x
x = 220,317,119,125.98/403,815.40 - Step 6: Final answer
x = 545,588.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.