Finding the Fourth Proportional to 887,565.75, 1,224,840.74 and 485,157.75
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Solution
The fourth proportional to 887,565.75, 1,224,840.74 and 485,157.75 is: 669,517.70
Step by Step Solution
- Step 1: Write the proportion equation
887,565.75 : 1,224,840.74 = 485,157.75 : x - Step 2: Convert to fraction form
887,565.75/1,224,840.74 = 485,157.75/x - Step 3: Cross multiply
887,565.75x = 1,224,840.74 × 485,157.75 - Step 4: Simplify right side
887,565.75x = 594,240,975,100.95 - Step 5: Solve for x
x = 594,240,975,100.95/887,565.75 - Step 6: Final answer
x = 669,517.70
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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.