Finding the Fourth Proportional to 771,804.08, 1,064,558.12 and 542,847.05
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Solution
The fourth proportional to 771,804.08, 1,064,558.12 and 542,847.05 is: 748,755.09
Step by Step Solution
- Step 1: Write the proportion equation
771,804.08 : 1,064,558.12 = 542,847.05 : x - Step 2: Convert to fraction form
771,804.08/1,064,558.12 = 542,847.05/x - Step 3: Cross multiply
771,804.08x = 1,064,558.12 × 542,847.05 - Step 4: Simplify right side
771,804.08x = 577,892,226,958.52 - Step 5: Solve for x
x = 577,892,226,958.52/771,804.08 - Step 6: Final answer
x = 748,755.09
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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.