Finding the Fourth Proportional to 709,471.56, 979,092.36 and 403,592.26
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Solution
The fourth proportional to 709,471.56, 979,092.36 and 403,592.26 is: 556,969.61
Step by Step Solution
- Step 1: Write the proportion equation
709,471.56 : 979,092.36 = 403,592.26 : x - Step 2: Convert to fraction form
709,471.56/979,092.36 = 403,592.26/x - Step 3: Cross multiply
709,471.56x = 979,092.36 × 403,592.26 - Step 4: Simplify right side
709,471.56x = 395,154,098,321.13 - Step 5: Solve for x
x = 395,154,098,321.13/709,471.56 - Step 6: Final answer
x = 556,969.61
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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.