Finding the Fourth Proportional to 874,261.44, 1,206,595.68 and 492,362.88
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Solution
The fourth proportional to 874,261.44, 1,206,595.68 and 492,362.88 is: 679,525.48
Step by Step Solution
- Step 1: Write the proportion equation
874,261.44 : 1,206,595.68 = 492,362.88 : x - Step 2: Convert to fraction form
874,261.44/1,206,595.68 = 492,362.88/x - Step 3: Cross multiply
874,261.44x = 1,206,595.68 × 492,362.88 - Step 4: Simplify right side
874,261.44x = 594,082,924,000.36 - Step 5: Solve for x
x = 594,082,924,000.36/874,261.44 - Step 6: Final answer
x = 679,525.48
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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.