Finding the Fourth Proportional to 1,352,598.50, 2,029,208.79 and 405,987.14
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Solution
The fourth proportional to 1,352,598.50, 2,029,208.79 and 405,987.14 is: 609,074.06
Step by Step Solution
- Step 1: Write the proportion equation
1,352,598.50 : 2,029,208.79 = 405,987.14 : x - Step 2: Convert to fraction form
1,352,598.50/2,029,208.79 = 405,987.14/x - Step 3: Cross multiply
1,352,598.50x = 2,029,208.79 × 405,987.14 - Step 4: Simplify right side
1,352,598.50x = 823,832,662,968.92 - Step 5: Solve for x
x = 823,832,662,968.92/1,352,598.50 - Step 6: Final answer
x = 609,074.06
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1.5x scale
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.