Finding the Fourth Proportional to 651,664.80, 977,497.20 and 628,045.20
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Solution
The fourth proportional to 651,664.80, 977,497.20 and 628,045.20 is: 942,067.80
Step by Step Solution
- Step 1: Write the proportion equation
651,664.80 : 977,497.20 = 628,045.20 : x - Step 2: Convert to fraction form
651,664.80/977,497.20 = 628,045.20/x - Step 3: Cross multiply
651,664.80x = 977,497.20 × 628,045.20 - Step 4: Simplify right side
651,664.80x = 613,912,424,473.44 - Step 5: Solve for x
x = 613,912,424,473.44/651,664.80 - Step 6: Final answer
x = 942,067.80
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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.