Finding the Fourth Proportional to 856,078.07, 1,178,698.99 and 726,748.45
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Solution
The fourth proportional to 856,078.07, 1,178,698.99 and 726,748.45 is: 1,000,630.32
Step by Step Solution
- Step 1: Write the proportion equation
856,078.07 : 1,178,698.99 = 726,748.45 : x - Step 2: Convert to fraction form
856,078.07/1,178,698.99 = 726,748.45/x - Step 3: Cross multiply
856,078.07x = 1,178,698.99 × 726,748.45 - Step 4: Simplify right side
856,078.07x = 856,617,667,228.28 - Step 5: Solve for x
x = 856,617,667,228.28/856,078.07 - Step 6: Final answer
x = 1,000,630.32
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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.