Finding the Fourth Proportional to 842,756.68, 1,264,171.94 and 243,778.40
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Solution
The fourth proportional to 842,756.68, 1,264,171.94 and 243,778.40 is: 365,678.28
Step by Step Solution
- Step 1: Write the proportion equation
842,756.68 : 1,264,171.94 = 243,778.40 : x - Step 2: Convert to fraction form
842,756.68/1,264,171.94 = 243,778.40/x - Step 3: Cross multiply
842,756.68x = 1,264,171.94 × 243,778.40 - Step 4: Simplify right side
842,756.68x = 308,177,812,858.10 - Step 5: Solve for x
x = 308,177,812,858.10/842,756.68 - Step 6: Final answer
x = 365,678.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.