Finding the Fourth Proportional to 717,338.52, 989,889.25 and 411,399.09
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Solution
The fourth proportional to 717,338.52, 989,889.25 and 411,399.09 is: 567,709.00
Step by Step Solution
- Step 1: Write the proportion equation
717,338.52 : 989,889.25 = 411,399.09 : x - Step 2: Convert to fraction form
717,338.52/989,889.25 = 411,399.09/x - Step 3: Cross multiply
717,338.52x = 989,889.25 × 411,399.09 - Step 4: Simplify right side
717,338.52x = 407,239,536,650.78 - Step 5: Solve for x
x = 407,239,536,650.78/717,338.52 - Step 6: Final answer
x = 567,709.00
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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.