Finding the Fourth Proportional to 991,784.68, 1,368,610.36 and 562,069.96
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Solution
The fourth proportional to 991,784.68, 1,368,610.36 and 562,069.96 is: 775,626.79
Step by Step Solution
- Step 1: Write the proportion equation
991,784.68 : 1,368,610.36 = 562,069.96 : x - Step 2: Convert to fraction form
991,784.68/1,368,610.36 = 562,069.96/x - Step 3: Cross multiply
991,784.68x = 1,368,610.36 × 562,069.96 - Step 4: Simplify right side
991,784.68x = 769,254,770,300.79 - Step 5: Solve for x
x = 769,254,770,300.79/991,784.68 - Step 6: Final answer
x = 775,626.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.