Finding the Fourth Proportional to 901,135.16, 1,243,563.20 and 487,671.12
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Solution
The fourth proportional to 901,135.16, 1,243,563.20 and 487,671.12 is: 672,984.35
Step by Step Solution
- Step 1: Write the proportion equation
901,135.16 : 1,243,563.20 = 487,671.12 : x - Step 2: Convert to fraction form
901,135.16/1,243,563.20 = 487,671.12/x - Step 3: Cross multiply
901,135.16x = 1,243,563.20 × 487,671.12 - Step 4: Simplify right side
901,135.16x = 606,449,858,534.78 - Step 5: Solve for x
x = 606,449,858,534.78/901,135.16 - Step 6: Final answer
x = 672,984.35
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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.