Finding the Fourth Proportional to 730,289.94, 1,007,820.68 and 408,035.49
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Solution
The fourth proportional to 730,289.94, 1,007,820.68 and 408,035.49 is: 563,100.47
Step by Step Solution
- Step 1: Write the proportion equation
730,289.94 : 1,007,820.68 = 408,035.49 : x - Step 2: Convert to fraction form
730,289.94/1,007,820.68 = 408,035.49/x - Step 3: Cross multiply
730,289.94x = 1,007,820.68 × 408,035.49 - Step 4: Simplify right side
730,289.94x = 411,226,604,995.93 - Step 5: Solve for x
x = 411,226,604,995.93/730,289.94 - Step 6: Final answer
x = 563,100.47
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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.