Finding the Fourth Proportional to 723,621.24, 998,658.63 and 401,435.13
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Solution
The fourth proportional to 723,621.24, 998,658.63 and 401,435.13 is: 554,014.50
Step by Step Solution
- Step 1: Write the proportion equation
723,621.24 : 998,658.63 = 401,435.13 : x - Step 2: Convert to fraction form
723,621.24/998,658.63 = 401,435.13/x - Step 3: Cross multiply
723,621.24x = 998,658.63 × 401,435.13 - Step 4: Simplify right side
723,621.24x = 400,896,656,959.67 - Step 5: Solve for x
x = 400,896,656,959.67/723,621.24 - Step 6: Final answer
x = 554,014.50
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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.