Finding the Fourth Proportional to 989,247.76, 1,365,037.80 and 586,762
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Solution
The fourth proportional to 989,247.76, 1,365,037.80 and 586,762 is: 809,657.95
Step by Step Solution
- Step 1: Write the proportion equation
989,247.76 : 1,365,037.80 = 586,762 : x - Step 2: Convert to fraction form
989,247.76/1,365,037.80 = 586,762/x - Step 3: Cross multiply
989,247.76x = 1,365,037.80 × 586,762 - Step 4: Simplify right side
989,247.76x = 800,952,309,603.60 - Step 5: Solve for x
x = 800,952,309,603.60/989,247.76 - Step 6: Final answer
x = 809,657.95
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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.