Finding the Fourth Proportional to 669,276.47, 1,003,537.43 and 219,876.68
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Solution
The fourth proportional to 669,276.47, 1,003,537.43 and 219,876.68 is: 329,691.07
Step by Step Solution
- Step 1: Write the proportion equation
669,276.47 : 1,003,537.43 = 219,876.68 : x - Step 2: Convert to fraction form
669,276.47/1,003,537.43 = 219,876.68/x - Step 3: Cross multiply
669,276.47x = 1,003,537.43 × 219,876.68 - Step 4: Simplify right side
669,276.47x = 220,654,472,247.06 - Step 5: Solve for x
x = 220,654,472,247.06/669,276.47 - Step 6: Final answer
x = 329,691.07
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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.