Finding the Fourth Proportional to 717,678.23, 989,958.00 and 427,094.98
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Solution
The fourth proportional to 717,678.23, 989,958.00 and 427,094.98 is: 589,130.44
Step by Step Solution
- Step 1: Write the proportion equation
717,678.23 : 989,958.00 = 427,094.98 : x - Step 2: Convert to fraction form
717,678.23/989,958.00 = 427,094.98/x - Step 3: Cross multiply
717,678.23x = 989,958.00 × 427,094.98 - Step 4: Simplify right side
717,678.23x = 422,806,091,337.55 - Step 5: Solve for x
x = 422,806,091,337.55/717,678.23 - Step 6: Final answer
x = 589,130.44
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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.