Finding the Fourth Proportional to 768,554.66, 1,151,364.97 and 430,572.95
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Solution
The fourth proportional to 768,554.66, 1,151,364.97 and 430,572.95 is: 645,037.54
Step by Step Solution
- Step 1: Write the proportion equation
768,554.66 : 1,151,364.97 = 430,572.95 : x - Step 2: Convert to fraction form
768,554.66/1,151,364.97 = 430,572.95/x - Step 3: Cross multiply
768,554.66x = 1,151,364.97 × 430,572.95 - Step 4: Simplify right side
768,554.66x = 495,746,604,826.30 - Step 5: Solve for x
x = 495,746,604,826.30/768,554.66 - Step 6: Final answer
x = 645,037.54
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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.