Finding the Fourth Proportional to 829,029.53, 1,243,761.62 and 260,387.66
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Solution
The fourth proportional to 829,029.53, 1,243,761.62 and 260,387.66 is: 390,649.75
Step by Step Solution
- Step 1: Write the proportion equation
829,029.53 : 1,243,761.62 = 260,387.66 : x - Step 2: Convert to fraction form
829,029.53/1,243,761.62 = 260,387.66/x - Step 3: Cross multiply
829,029.53x = 1,243,761.62 × 260,387.66 - Step 4: Simplify right side
829,029.53x = 323,860,179,637.08 - Step 5: Solve for x
x = 323,860,179,637.08/829,029.53 - Step 6: Final answer
x = 390,649.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.