Finding the Fourth Proportional to 719,812.08, 993,340.76 and 401,860.08
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Solution
The fourth proportional to 719,812.08, 993,340.76 and 401,860.08 is: 554,566.96
Step by Step Solution
- Step 1: Write the proportion equation
719,812.08 : 993,340.76 = 401,860.08 : x - Step 2: Convert to fraction form
719,812.08/993,340.76 = 401,860.08/x - Step 3: Cross multiply
719,812.08x = 993,340.76 × 401,860.08 - Step 4: Simplify right side
719,812.08x = 399,183,997,280.86 - Step 5: Solve for x
x = 399,183,997,280.86/719,812.08 - Step 6: Final answer
x = 554,566.96
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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.