Finding the Fourth Proportional to 882,461.21, 1,217,391.99 and 519,711.42
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Solution
The fourth proportional to 882,461.21, 1,217,391.99 and 519,711.42 is: 716,963.55
Step by Step Solution
- Step 1: Write the proportion equation
882,461.21 : 1,217,391.99 = 519,711.42 : x - Step 2: Convert to fraction form
882,461.21/1,217,391.99 = 519,711.42/x - Step 3: Cross multiply
882,461.21x = 1,217,391.99 × 519,711.42 - Step 4: Simplify right side
882,461.21x = 632,692,519,819.53 - Step 5: Solve for x
x = 632,692,519,819.53/882,461.21 - Step 6: Final answer
x = 716,963.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.