Finding the Fourth Proportional to 723,683.70, 998,803.08 and 401,497.60
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Solution
The fourth proportional to 723,683.70, 998,803.08 and 401,497.60 is: 554,133.02
Step by Step Solution
- Step 1: Write the proportion equation
723,683.70 : 998,803.08 = 401,497.60 : x - Step 2: Convert to fraction form
723,683.70/998,803.08 = 401,497.60/x - Step 3: Cross multiply
723,683.70x = 998,803.08 × 401,497.60 - Step 4: Simplify right side
723,683.70x = 401,017,036,995.60 - Step 5: Solve for x
x = 401,017,036,995.60/723,683.70 - Step 6: Final answer
x = 554,133.02
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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.