Finding the Fourth Proportional to 897,181.70, 1,238,107.05 and 489,282.53
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Solution
The fourth proportional to 897,181.70, 1,238,107.05 and 489,282.53 is: 675,207.87
Step by Step Solution
- Step 1: Write the proportion equation
897,181.70 : 1,238,107.05 = 489,282.53 : x - Step 2: Convert to fraction form
897,181.70/1,238,107.05 = 489,282.53/x - Step 3: Cross multiply
897,181.70x = 1,238,107.05 × 489,282.53 - Step 4: Simplify right side
897,181.70x = 605,784,143,644.30 - Step 5: Solve for x
x = 605,784,143,644.30/897,181.70 - Step 6: Final answer
x = 675,207.87
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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.