Finding the Fourth Proportional to 490,125.12, 733,904.16 and 321,113.76
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Solution
The fourth proportional to 490,125.12, 733,904.16 and 321,113.76 is: 480,829.72
Step by Step Solution
- Step 1: Write the proportion equation
490,125.12 : 733,904.16 = 321,113.76 : x - Step 2: Convert to fraction form
490,125.12/733,904.16 = 321,113.76/x - Step 3: Cross multiply
490,125.12x = 733,904.16 × 321,113.76 - Step 4: Simplify right side
490,125.12x = 235,666,724,297.24 - Step 5: Solve for x
x = 235,666,724,297.24/490,125.12 - Step 6: Final answer
x = 480,829.72
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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.