Finding the Fourth Proportional to 936,646.81, 1,405,462.58 and 664,847.03
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Solution
The fourth proportional to 936,646.81, 1,405,462.58 and 664,847.03 is: 997,620.03
Step by Step Solution
- Step 1: Write the proportion equation
936,646.81 : 1,405,462.58 = 664,847.03 : x - Step 2: Convert to fraction form
936,646.81/1,405,462.58 = 664,847.03/x - Step 3: Cross multiply
936,646.81x = 1,405,462.58 × 664,847.03 - Step 4: Simplify right side
936,646.81x = 934,417,622,089.14 - Step 5: Solve for x
x = 934,417,622,089.14/936,646.81 - Step 6: Final answer
x = 997,620.03
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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.