Finding the Fourth Proportional to 751,518.26, 1,037,073.74 and 429,221.70
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Solution
The fourth proportional to 751,518.26, 1,037,073.74 and 429,221.70 is: 592,313.69
Step by Step Solution
- Step 1: Write the proportion equation
751,518.26 : 1,037,073.74 = 429,221.70 : x - Step 2: Convert to fraction form
751,518.26/1,037,073.74 = 429,221.70/x - Step 3: Cross multiply
751,518.26x = 1,037,073.74 × 429,221.70 - Step 4: Simplify right side
751,518.26x = 445,134,553,708.16 - Step 5: Solve for x
x = 445,134,553,708.16/751,518.26 - Step 6: Final answer
x = 592,313.69
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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.