Finding the Fourth Proportional to 821,368.04, 1,133,475.62 and 458,798.44
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Solution
The fourth proportional to 821,368.04, 1,133,475.62 and 458,798.44 is: 633,134.99
Step by Step Solution
- Step 1: Write the proportion equation
821,368.04 : 1,133,475.62 = 458,798.44 : x - Step 2: Convert to fraction form
821,368.04/1,133,475.62 = 458,798.44/x - Step 3: Cross multiply
821,368.04x = 1,133,475.62 × 458,798.44 - Step 4: Simplify right side
821,368.04x = 520,036,846,234.03 - Step 5: Solve for x
x = 520,036,846,234.03/821,368.04 - Step 6: Final answer
x = 633,134.99
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1.5x scale
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.