Finding the Fourth Proportional to 856,798.28, 1,285,187.58 and 351,246.28
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Solution
The fourth proportional to 856,798.28, 1,285,187.58 and 351,246.28 is: 526,865.39
Step by Step Solution
- Step 1: Write the proportion equation
856,798.28 : 1,285,187.58 = 351,246.28 : x - Step 2: Convert to fraction form
856,798.28/1,285,187.58 = 351,246.28/x - Step 3: Cross multiply
856,798.28x = 1,285,187.58 × 351,246.28 - Step 4: Simplify right side
856,798.28x = 451,417,356,577.20 - Step 5: Solve for x
x = 451,417,356,577.20/856,798.28 - Step 6: Final answer
x = 526,865.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.