Finding the Fourth Proportional to 558,523.12, 831,467.16 and 555,201.60
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Solution
The fourth proportional to 558,523.12, 831,467.16 and 555,201.60 is: 826,522.45
Step by Step Solution
- Step 1: Write the proportion equation
558,523.12 : 831,467.16 = 555,201.60 : x - Step 2: Convert to fraction form
558,523.12/831,467.16 = 555,201.60/x - Step 3: Cross multiply
558,523.12x = 831,467.16 × 555,201.60 - Step 4: Simplify right side
558,523.12x = 461,631,897,579.46 - Step 5: Solve for x
x = 461,631,897,579.46/558,523.12 - Step 6: Final answer
x = 826,522.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.