Finding the Fourth Proportional to 851,305.12, 1,174,765.68 and 464,112.16
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Solution
The fourth proportional to 851,305.12, 1,174,765.68 and 464,112.16 is: 640,455.49
Step by Step Solution
- Step 1: Write the proportion equation
851,305.12 : 1,174,765.68 = 464,112.16 : x - Step 2: Convert to fraction form
851,305.12/1,174,765.68 = 464,112.16/x - Step 3: Cross multiply
851,305.12x = 1,174,765.68 × 464,112.16 - Step 4: Simplify right side
851,305.12x = 545,223,037,238.67 - Step 5: Solve for x
x = 545,223,037,238.67/851,305.12 - Step 6: Final answer
x = 640,455.49
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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.