Finding the Fourth Proportional to 1,036,828.50, 1,555,242.75 and 248,860.50
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Solution
The fourth proportional to 1,036,828.50, 1,555,242.75 and 248,860.50 is: 373,290.75
Step by Step Solution
- Step 1: Write the proportion equation
1,036,828.50 : 1,555,242.75 = 248,860.50 : x - Step 2: Convert to fraction form
1,036,828.50/1,555,242.75 = 248,860.50/x - Step 3: Cross multiply
1,036,828.50x = 1,555,242.75 × 248,860.50 - Step 4: Simplify right side
1,036,828.50x = 387,038,488,386.38 - Step 5: Solve for x
x = 387,038,488,386.38/1,036,828.50 - Step 6: Final answer
x = 373,290.75
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Similar ratio
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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.