Finding the Fourth Proportional to 740,549.92, 1,021,958.64 and 401,018.08
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Solution
The fourth proportional to 740,549.92, 1,021,958.64 and 401,018.08 is: 553,404.82
Step by Step Solution
- Step 1: Write the proportion equation
740,549.92 : 1,021,958.64 = 401,018.08 : x - Step 2: Convert to fraction form
740,549.92/1,021,958.64 = 401,018.08/x - Step 3: Cross multiply
740,549.92x = 1,021,958.64 × 401,018.08 - Step 4: Simplify right side
740,549.92x = 409,823,891,652.21 - Step 5: Solve for x
x = 409,823,891,652.21/740,549.92 - Step 6: Final answer
x = 553,404.82
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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.