Finding the Fourth Proportional to 829,422.76, 1,243,393.26 and 323,866.12
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Solution
The fourth proportional to 829,422.76, 1,243,393.26 and 323,866.12 is: 485,509.89
Step by Step Solution
- Step 1: Write the proportion equation
829,422.76 : 1,243,393.26 = 323,866.12 : x - Step 2: Convert to fraction form
829,422.76/1,243,393.26 = 323,866.12/x - Step 3: Cross multiply
829,422.76x = 1,243,393.26 × 323,866.12 - Step 4: Simplify right side
829,422.76x = 402,692,950,750.35 - Step 5: Solve for x
x = 402,692,950,750.35/829,422.76 - Step 6: Final answer
x = 485,509.89
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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.