Finding the Fourth Proportional to 742,597.74, 1,024,786.11 and 403,066.14
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Solution
The fourth proportional to 742,597.74, 1,024,786.11 and 403,066.14 is: 556,231.94
Step by Step Solution
- Step 1: Write the proportion equation
742,597.74 : 1,024,786.11 = 403,066.14 : x - Step 2: Convert to fraction form
742,597.74/1,024,786.11 = 403,066.14/x - Step 3: Cross multiply
742,597.74x = 1,024,786.11 × 403,066.14 - Step 4: Simplify right side
742,597.74x = 413,056,581,683.32 - Step 5: Solve for x
x = 413,056,581,683.32/742,597.74 - Step 6: Final answer
x = 556,231.94
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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.