Finding the Fourth Proportional to 734,280.06, 1,013,323.95 and 412,013.99
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Solution
The fourth proportional to 734,280.06, 1,013,323.95 and 412,013.99 is: 568,589.11
Step by Step Solution
- Step 1: Write the proportion equation
734,280.06 : 1,013,323.95 = 412,013.99 : x - Step 2: Convert to fraction form
734,280.06/1,013,323.95 = 412,013.99/x - Step 3: Cross multiply
734,280.06x = 1,013,323.95 × 412,013.99 - Step 4: Simplify right side
734,280.06x = 417,503,640,990.35 - Step 5: Solve for x
x = 417,503,640,990.35/734,280.06 - Step 6: Final answer
x = 568,589.11
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1.5x scale
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.