Finding the Fourth Proportional to 692,170.20, 1,036,505.70 and 552,202.20
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Solution
The fourth proportional to 692,170.20, 1,036,505.70 and 552,202.20 is: 826,907.50
Step by Step Solution
- Step 1: Write the proportion equation
692,170.20 : 1,036,505.70 = 552,202.20 : x - Step 2: Convert to fraction form
692,170.20/1,036,505.70 = 552,202.20/x - Step 3: Cross multiply
692,170.20x = 1,036,505.70 × 552,202.20 - Step 4: Simplify right side
692,170.20x = 572,360,727,852.54 - Step 5: Solve for x
x = 572,360,727,852.54/692,170.20 - Step 6: Final answer
x = 826,907.50
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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.