Finding the Fourth Proportional to 548,871.75, 822,457.40 and 380,718.99
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Solution
The fourth proportional to 548,871.75, 822,457.40 and 380,718.99 is: 570,488.73
Step by Step Solution
- Step 1: Write the proportion equation
548,871.75 : 822,457.40 = 380,718.99 : x - Step 2: Convert to fraction form
548,871.75/822,457.40 = 380,718.99/x - Step 3: Cross multiply
548,871.75x = 822,457.40 × 380,718.99 - Step 4: Simplify right side
548,871.75x = 313,125,148,742.43 - Step 5: Solve for x
x = 313,125,148,742.43/548,871.75 - Step 6: Final answer
x = 570,488.73
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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.