Finding the Fourth Proportional to 558,175.34, 770,258.49 and 316,474.13
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Solution
The fourth proportional to 558,175.34, 770,258.49 and 316,474.13 is: 436,720.99
Step by Step Solution
- Step 1: Write the proportion equation
558,175.34 : 770,258.49 = 316,474.13 : x - Step 2: Convert to fraction form
558,175.34/770,258.49 = 316,474.13/x - Step 3: Cross multiply
558,175.34x = 770,258.49 × 316,474.13 - Step 4: Simplify right side
558,175.34x = 243,766,885,497.86 - Step 5: Solve for x
x = 243,766,885,497.86/558,175.34 - Step 6: Final answer
x = 436,720.99
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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.