Finding the Fourth Proportional to 742,591.36, 1,024,748.64 and 403,052.32
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Solution
The fourth proportional to 742,591.36, 1,024,748.64 and 403,052.32 is: 556,197.31
Step by Step Solution
- Step 1: Write the proportion equation
742,591.36 : 1,024,748.64 = 403,052.32 : x - Step 2: Convert to fraction form
742,591.36/1,024,748.64 = 403,052.32/x - Step 3: Cross multiply
742,591.36x = 1,024,748.64 × 403,052.32 - Step 4: Simplify right side
742,591.36x = 413,027,316,768.85 - Step 5: Solve for x
x = 413,027,316,768.85/742,591.36 - Step 6: Final answer
x = 556,197.31
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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.