Finding the Fourth Proportional to 628,463.36, 942,842.64 and 207,739.28
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Solution
The fourth proportional to 628,463.36, 942,842.64 and 207,739.28 is: 311,657.71
Step by Step Solution
- Step 1: Write the proportion equation
628,463.36 : 942,842.64 = 207,739.28 : x - Step 2: Convert to fraction form
628,463.36/942,842.64 = 207,739.28/x - Step 3: Cross multiply
628,463.36x = 942,842.64 × 207,739.28 - Step 4: Simplify right side
628,463.36x = 195,865,451,186.90 - Step 5: Solve for x
x = 195,865,451,186.90/628,463.36 - Step 6: Final answer
x = 311,657.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.