Finding the Fourth Proportional to 719,135.28, 996,601.68 and 708,987.60
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Solution
The fourth proportional to 719,135.28, 996,601.68 and 708,987.60 is: 982,538.69
Step by Step Solution
- Step 1: Write the proportion equation
719,135.28 : 996,601.68 = 708,987.60 : x - Step 2: Convert to fraction form
719,135.28/996,601.68 = 708,987.60/x - Step 3: Cross multiply
719,135.28x = 996,601.68 × 708,987.60 - Step 4: Simplify right side
719,135.28x = 706,578,233,259.17 - Step 5: Solve for x
x = 706,578,233,259.17/719,135.28 - Step 6: Final answer
x = 982,538.69
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.