Finding the Fourth Proportional to 628,376.92, 867,134.18 and 341,898.12
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Solution
The fourth proportional to 628,376.92, 867,134.18 and 341,898.12 is: 471,805.28
Step by Step Solution
- Step 1: Write the proportion equation
628,376.92 : 867,134.18 = 341,898.12 : x - Step 2: Convert to fraction form
628,376.92/867,134.18 = 341,898.12/x - Step 3: Cross multiply
628,376.92x = 867,134.18 × 341,898.12 - Step 4: Simplify right side
628,376.92x = 296,471,545,929.74 - Step 5: Solve for x
x = 296,471,545,929.74/628,376.92 - Step 6: Final answer
x = 471,805.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.