Finding the Fourth Proportional to 774,623.53, 1,069,183.47 and 435,201.13
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Solution
The fourth proportional to 774,623.53, 1,069,183.47 and 435,201.13 is: 600,691.61
Step by Step Solution
- Step 1: Write the proportion equation
774,623.53 : 1,069,183.47 = 435,201.13 : x - Step 2: Convert to fraction form
774,623.53/1,069,183.47 = 435,201.13/x - Step 3: Cross multiply
774,623.53x = 1,069,183.47 × 435,201.13 - Step 4: Simplify right side
774,623.53x = 465,309,854,321.32 - Step 5: Solve for x
x = 465,309,854,321.32/774,623.53 - Step 6: Final answer
x = 600,691.61
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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.