Finding the Fourth Proportional to 578,697.66, 798,580.76 and 324,036.09
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Solution
The fourth proportional to 578,697.66, 798,580.76 and 324,036.09 is: 447,157.48
Step by Step Solution
- Step 1: Write the proportion equation
578,697.66 : 798,580.76 = 324,036.09 : x - Step 2: Convert to fraction form
578,697.66/798,580.76 = 324,036.09/x - Step 3: Cross multiply
578,697.66x = 798,580.76 × 324,036.09 - Step 4: Simplify right side
578,697.66x = 258,768,985,399.45 - Step 5: Solve for x
x = 258,768,985,399.45/578,697.66 - Step 6: Final answer
x = 447,157.48
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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.