Finding the Fourth Proportional to 897,854.81, 1,239,065.97 and 489,982.99
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Solution
The fourth proportional to 897,854.81, 1,239,065.97 and 489,982.99 is: 676,190.90
Step by Step Solution
- Step 1: Write the proportion equation
897,854.81 : 1,239,065.97 = 489,982.99 : x - Step 2: Convert to fraction form
897,854.81/1,239,065.97 = 489,982.99/x - Step 3: Cross multiply
897,854.81x = 1,239,065.97 × 489,982.99 - Step 4: Simplify right side
897,854.81x = 607,121,248,787.85 - Step 5: Solve for x
x = 607,121,248,787.85/897,854.81 - Step 6: Final answer
x = 676,190.90
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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.