Finding the Fourth Proportional to 559,758.16, 772,458.42 and 305,110.36
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Solution
The fourth proportional to 559,758.16, 772,458.42 and 305,110.36 is: 421,048.02
Step by Step Solution
- Step 1: Write the proportion equation
559,758.16 : 772,458.42 = 305,110.36 : x - Step 2: Convert to fraction form
559,758.16/772,458.42 = 305,110.36/x - Step 3: Cross multiply
559,758.16x = 772,458.42 × 305,110.36 - Step 4: Simplify right side
559,758.16x = 235,685,066,611.23 - Step 5: Solve for x
x = 235,685,066,611.23/559,758.16 - Step 6: Final answer
x = 421,048.02
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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.