Finding the Fourth Proportional to 688,036.36, 1,032,119.70 and 267,344.68
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Solution
The fourth proportional to 688,036.36, 1,032,119.70 and 267,344.68 is: 401,042.34
Step by Step Solution
- Step 1: Write the proportion equation
688,036.36 : 1,032,119.70 = 267,344.68 : x - Step 2: Convert to fraction form
688,036.36/1,032,119.70 = 267,344.68/x - Step 3: Cross multiply
688,036.36x = 1,032,119.70 × 267,344.68 - Step 4: Simplify right side
688,036.36x = 275,931,710,918.20 - Step 5: Solve for x
x = 275,931,710,918.20/688,036.36 - Step 6: Final answer
x = 401,042.34
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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.