Finding the Fourth Proportional to 487,919.59, 673,742.35 and 306,689.88
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Solution
The fourth proportional to 487,919.59, 673,742.35 and 306,689.88 is: 423,491.83
Step by Step Solution
- Step 1: Write the proportion equation
487,919.59 : 673,742.35 = 306,689.88 : x - Step 2: Convert to fraction form
487,919.59/673,742.35 = 306,689.88/x - Step 3: Cross multiply
487,919.59x = 673,742.35 × 306,689.88 - Step 4: Simplify right side
487,919.59x = 206,629,960,472.42 - Step 5: Solve for x
x = 206,629,960,472.42/487,919.59 - Step 6: Final answer
x = 423,491.83
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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.