Finding the Fourth Proportional to 669,274.97, 1,003,535.18 and 219,875.18
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Solution
The fourth proportional to 669,274.97, 1,003,535.18 and 219,875.18 is: 329,688.82
Step by Step Solution
- Step 1: Write the proportion equation
669,274.97 : 1,003,535.18 = 219,875.18 : x - Step 2: Convert to fraction form
669,274.97/1,003,535.18 = 219,875.18/x - Step 3: Cross multiply
669,274.97x = 1,003,535.18 × 219,875.18 - Step 4: Simplify right side
669,274.97x = 220,652,472,221.78 - Step 5: Solve for x
x = 220,652,472,221.78/669,274.97 - Step 6: Final answer
x = 329,688.82
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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.