Finding the Fourth Proportional to 725,884.74, 1,088,117.55 and 326,626.02
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Solution
The fourth proportional to 725,884.74, 1,088,117.55 and 326,626.02 is: 489,619.75
Step by Step Solution
- Step 1: Write the proportion equation
725,884.74 : 1,088,117.55 = 326,626.02 : x - Step 2: Convert to fraction form
725,884.74/1,088,117.55 = 326,626.02/x - Step 3: Cross multiply
725,884.74x = 1,088,117.55 × 326,626.02 - Step 4: Simplify right side
725,884.74x = 355,407,504,648.65 - Step 5: Solve for x
x = 355,407,504,648.65/725,884.74 - Step 6: Final answer
x = 489,619.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.