Finding the Fourth Proportional to 770,156.13, 1,154,457.81 and 321,124.95
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Solution
The fourth proportional to 770,156.13, 1,154,457.81 and 321,124.95 is: 481,363.70
Step by Step Solution
- Step 1: Write the proportion equation
770,156.13 : 1,154,457.81 = 321,124.95 : x - Step 2: Convert to fraction form
770,156.13/1,154,457.81 = 321,124.95/x - Step 3: Cross multiply
770,156.13x = 1,154,457.81 × 321,124.95 - Step 4: Simplify right side
770,156.13x = 370,725,206,513.36 - Step 5: Solve for x
x = 370,725,206,513.36/770,156.13 - Step 6: Final answer
x = 481,363.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.