Finding the Fourth Proportional to 669,271.78, 1,003,530.40 and 219,871.99
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Solution
The fourth proportional to 669,271.78, 1,003,530.40 and 219,871.99 is: 329,684.04
Step by Step Solution
- Step 1: Write the proportion equation
669,271.78 : 1,003,530.40 = 219,871.99 : x - Step 2: Convert to fraction form
669,271.78/1,003,530.40 = 219,871.99/x - Step 3: Cross multiply
669,271.78x = 1,003,530.40 × 219,871.99 - Step 4: Simplify right side
669,271.78x = 220,648,222,370.15 - Step 5: Solve for x
x = 220,648,222,370.15/669,271.78 - Step 6: Final answer
x = 329,684.04
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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.