Finding the Fourth Proportional to 791,074.74, 1,186,133.71 and 310,727.53
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Solution
The fourth proportional to 791,074.74, 1,186,133.71 and 310,727.53 is: 465,903.38
Step by Step Solution
- Step 1: Write the proportion equation
791,074.74 : 1,186,133.71 = 310,727.53 : x - Step 2: Convert to fraction form
791,074.74/1,186,133.71 = 310,727.53/x - Step 3: Cross multiply
791,074.74x = 1,186,133.71 × 310,727.53 - Step 4: Simplify right side
791,074.74x = 368,564,397,958.04 - Step 5: Solve for x
x = 368,564,397,958.04/791,074.74 - Step 6: Final answer
x = 465,903.38
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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.