Finding the Fourth Proportional to 788,777.10, 1,183,165.65 and 283,337.10
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Solution
The fourth proportional to 788,777.10, 1,183,165.65 and 283,337.10 is: 425,005.65
Step by Step Solution
- Step 1: Write the proportion equation
788,777.10 : 1,183,165.65 = 283,337.10 : x - Step 2: Convert to fraction form
788,777.10/1,183,165.65 = 283,337.10/x - Step 3: Cross multiply
788,777.10x = 1,183,165.65 × 283,337.10 - Step 4: Simplify right side
788,777.10x = 335,234,724,090.62 - Step 5: Solve for x
x = 335,234,724,090.62/788,777.10 - Step 6: Final answer
x = 425,005.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.