Finding the Fourth Proportional to 989,243.76, 1,365,032.28 and 586,758
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Solution
The fourth proportional to 989,243.76, 1,365,032.28 and 586,758 is: 809,652.43
Step by Step Solution
- Step 1: Write the proportion equation
989,243.76 : 1,365,032.28 = 586,758 : x - Step 2: Convert to fraction form
989,243.76/1,365,032.28 = 586,758/x - Step 3: Cross multiply
989,243.76x = 1,365,032.28 × 586,758 - Step 4: Simplify right side
989,243.76x = 800,943,610,548.24 - Step 5: Solve for x
x = 800,943,610,548.24/989,243.76 - Step 6: Final answer
x = 809,652.43
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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.