Finding the Fourth Proportional to 1,039,727.08, 1,559,739.39 and 320,129.67
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Solution
The fourth proportional to 1,039,727.08, 1,559,739.39 and 320,129.67 is: 480,240.31
Step by Step Solution
- Step 1: Write the proportion equation
1,039,727.08 : 1,559,739.39 = 320,129.67 : x - Step 2: Convert to fraction form
1,039,727.08/1,559,739.39 = 320,129.67/x - Step 3: Cross multiply
1,039,727.08x = 1,559,739.39 × 320,129.67 - Step 4: Simplify right side
1,039,727.08x = 499,318,856,206.70 - Step 5: Solve for x
x = 499,318,856,206.70/1,039,727.08 - Step 6: Final answer
x = 480,240.31
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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.