Finding the Fourth Proportional to 797,724.22, 1,100,866.44 and 435,149.68
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Solution
The fourth proportional to 797,724.22, 1,100,866.44 and 435,149.68 is: 600,510.39
Step by Step Solution
- Step 1: Write the proportion equation
797,724.22 : 1,100,866.44 = 435,149.68 : x - Step 2: Convert to fraction form
797,724.22/1,100,866.44 = 435,149.68/x - Step 3: Cross multiply
797,724.22x = 1,100,866.44 × 435,149.68 - Step 4: Simplify right side
797,724.22x = 479,041,679,088.74 - Step 5: Solve for x
x = 479,041,679,088.74/797,724.22 - Step 6: Final answer
x = 600,510.39
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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.