Finding the Fourth Proportional to 575,433.13, 862,368.57 and 305,493.07
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Solution
The fourth proportional to 575,433.13, 862,368.57 and 305,493.07 is: 457,824.91
Step by Step Solution
- Step 1: Write the proportion equation
575,433.13 : 862,368.57 = 305,493.07 : x - Step 2: Convert to fraction form
575,433.13/862,368.57 = 305,493.07/x - Step 3: Cross multiply
575,433.13x = 862,368.57 × 305,493.07 - Step 4: Simplify right side
575,433.13x = 263,447,621,920.81 - Step 5: Solve for x
x = 263,447,621,920.81/575,433.13 - Step 6: Final answer
x = 457,824.91
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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.