Finding the Fourth Proportional to 510,717.25, 704,767.06 and 292,769.68
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Solution
The fourth proportional to 510,717.25, 704,767.06 and 292,769.68 is: 404,009.11
Step by Step Solution
- Step 1: Write the proportion equation
510,717.25 : 704,767.06 = 292,769.68 : x - Step 2: Convert to fraction form
510,717.25/704,767.06 = 292,769.68/x - Step 3: Cross multiply
510,717.25x = 704,767.06 × 292,769.68 - Step 4: Simplify right side
510,717.25x = 206,334,421,643.06 - Step 5: Solve for x
x = 206,334,421,643.06/510,717.25 - Step 6: Final answer
x = 404,009.11
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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.