Finding the Fourth Proportional to 781,074.99, 1,171,622.21 and 248,593.95
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Solution
The fourth proportional to 781,074.99, 1,171,622.21 and 248,593.95 is: 372,894.02
Step by Step Solution
- Step 1: Write the proportion equation
781,074.99 : 1,171,622.21 = 248,593.95 : x - Step 2: Convert to fraction form
781,074.99/1,171,622.21 = 248,593.95/x - Step 3: Cross multiply
781,074.99x = 1,171,622.21 × 248,593.95 - Step 4: Simplify right side
781,074.99x = 291,258,191,848.66 - Step 5: Solve for x
x = 291,258,191,848.66/781,074.99 - Step 6: Final answer
x = 372,894.02
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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.