Finding the Fourth Proportional to 851,073.36, 1,174,467.24 and 469,135.68
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Solution
The fourth proportional to 851,073.36, 1,174,467.24 and 469,135.68 is: 647,399.52
Step by Step Solution
- Step 1: Write the proportion equation
851,073.36 : 1,174,467.24 = 469,135.68 : x - Step 2: Convert to fraction form
851,073.36/1,174,467.24 = 469,135.68/x - Step 3: Cross multiply
851,073.36x = 1,174,467.24 × 469,135.68 - Step 4: Simplify right side
851,073.36x = 550,984,487,275.12 - Step 5: Solve for x
x = 550,984,487,275.12/851,073.36 - Step 6: Final answer
x = 647,399.52
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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.